| **Commitments And Contingencies (Minimum Contractual Obligations) (Details) $ in Millions**                                                                                                                                                                  | Sep. 30, 2016 USD ($) |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------|
| **Long Term Purchase Commitments**                                                                                                                                                                                                                           |                  |  |
| Unrecorded Total                                                                                                                                                                                                                                             | $ 2,535               |  |
| Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year                                                                                                                                                                                | 153                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months                                                                                                                                                                              | 491                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Two                                                                                                                                                                                        | 499                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Three                                                                                                                                                                                      | 423                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Four                                                                                                                                                                                       | 380                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Five                                                                                                                                                                                       | 326                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling after Year Five                                                                                                                                                                                 | 263                   |  |
| Recorded Total                                                                                                                                                                                                                                               | 1,140                 |  |
| Recorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year                                                                                                                                                                                  | 15                    |  |
| Recorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months                                                                                                                                                                                | 23                    |  |
| Recorded Unconditional Purchase Obligation, Due in Rolling Year Two                                                                                                                                                                                          | 24                    |  |
| Recorded Unconditional Purchase Obligation, Due in Rolling Year Three                                                                                                                                                                                        | 25                    |  |
| Recorded Unconditional Purchase Obligation, Due in Rolling Year Four                                                                                                                                                                                         | 626                   |  |
| Recorded Unconditional Purchase Obligation, Due in Rolling Year Five                                                                                                                                                                                         | 27                    |  |
| Recorded Unconditional Purchase Obligation, Due in Rolling after Year Five                                                                                                                                                                                   | 400                   |  |
| TotalUnconditionalPurchaseObligationBalanceSheetAmount                                                                                                                                                                                                       | 3,675                 |  |
| TotalUnconditionalPurchaseObligationBalanceSheetAmountRemainingForCurrentFiscalYear                                                                                                                                                                          | 168                   |  |
| Total Unconditional PurchaseObligationBalanceSheetAmountOneYearAfterFiscalYearEnd                                                                                                                                                                            | 514                   |  |
| Total Unconditional Purchase Obligation Balance Sheet Amount Two Years After Fiscal Year End                                                                                                                                                                 | 523                   |  |
| TotalUnconditionalPurchaseObligationBalanceSheetAmountThreeYearsAfterFiscalYearEnd                                                                                                                                                                           | 448                   |  |
| TotalUnconditionalPurchaseObligationBalanceSheetAmountFourYearsAfterFiscalYearEnd                                                                                                                                                                            | 1,006                 |  |
| Total Unconditional Purchase Obligation Balance Sheet Amount Five Years After Fiscal Year End                                                                                                                                                                | 353                   |  |
| TotalUnconditionalPurchaseObligationBalanceSheetAmountThereafter                                                                                                                                                                                             | 663                   |  |
| Developer/Licensor Commitments - Royalty and Non-Royalty Bearing                                                                                                                                                                                             |                  |  |
| **Long Term Purchase Commitments**                                                                                                                                                                                                                           |                  |  |
| Unrecorded Total                                                                                                                                                                                                                                             | 1,427                 |  |
| Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year                                                                                                                                                                                | 66                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months                                                                                                                                                                              | 315                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Two                                                                                                                                                                                        | 300                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Three                                                                                                                                                                                      | 251                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Four                                                                                                                                                                                       | 210                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Five                                                                                                                                                                                       | 206                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling after Year Five                                                                                                                                                                                 | 79                    |  |
| Marketing                                                                                                                                                                                                                                                    |                  |  |
| **Long Term Purchase Commitments**                                                                                                                                                                                                                           |                  |  |
| Unrecorded Total                                                                                                                                                                                                                                             | 503                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year                                                                                                                                                                                | 29                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months                                                                                                                                                                              | 79                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Two                                                                                                                                                                                        | 111                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Three                                                                                                                                                                                      | 91                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Four                                                                                                                                                                                       | 93                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Five                                                                                                                                                                                       | 74                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling after Year Five                                                                                                                                                                                 | 26                    |  |
| Operating leases                                                                                                                                                                                                                                             |                  |  |
| **Long Term Purchase Commitments**                                                                                                                                                                                                                           |                  |  |
| Unrecorded Total                                                                                                                                                                                                                                             | 234                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year                                                                                                                                                                                | 16                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months                                                                                                                                                                              | 38                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Two                                                                                                                                                                                        | 34                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Three                                                                                                                                                                                      | 31                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Four                                                                                                                                                                                       | 29                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Five                                                                                                                                                                                       | 23                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling after Year Five                                                                                                                                                                                 | 63                    |  |
| Senior Notes Interest                                                                                                                                                                                                                                        |                  |  |
| **Long Term Purchase Commitments**                                                                                                                                                                                                                           |                  |  |
| Unrecorded Total                                                                                                                                                                                                                                             | 278                   |  |
| Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year                                                                                                                                                                                | 17                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months                                                                                                                                                                              | 41                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Two                                                                                                                                                                                        | 41                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Three                                                                                                                                                                                      | 41                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Four                                                                                                                                                                                       | 41                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Five                                                                                                                                                                                       | 19                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling after Year Five                                                                                                                                                                                 | 78                    |  |
| Other unrecorded purchase obligations                                                                                                                                                                                                                        |                  |  |
| **Long Term Purchase Commitments**                                                                                                                                                                                                                           |                  |  |
| Unrecorded Total                                                                                                                                                                                                                                             | 93                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year                                                                                                                                                                                | 25                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months                                                                                                                                                                              | 18                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Two                                                                                                                                                                                        | 13                    |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Three                                                                                                                                                                                      | 9                     |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Four                                                                                                                                                                                       | 7                     |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling Year Five                                                                                                                                                                                       | 4                     |  |
| Unrecorded Unconditional Purchase Obligation, Due in Rolling after Year Five                                                                                                                                                                                 | 17                    |  |
| Senior Notes and Interest                                                                                                                                                                                                                                    |                  |  |
| **Long Term Purchase Commitments**                                                                                                                                                                                                                           |                  |  |
| Recorded Total                                                                                                                                                                                                                                               | 1,004                 |  |
| Senior Notes Interest                                                                                                                                                                                                                                        |                  |  |
| **Long Term Purchase Commitments**                                                                                                                                                                                                                           |                  |  |
| Recorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year                                                                                                                                                                                  | 4                     |  |
| Senior Notes                                                                                                                                                                                                                                                 |                  |  |
| **Long Term Purchase Commitments**                                                                                                                                                                                                                           |                  |  |
| Recorded Unconditional Purchase Obligation, Due in Rolling Year Four                                                                                                                                                                                         | 600                   |  |
| Recorded Unconditional Purchase Obligation, Due in Rolling after Year Five                                                                                                                                                                                   | 400                   |  |
| Licensing and lease obligations                                                                                                                                                                                                                              |                  |  |
| **Long Term Purchase Commitments**                                                                                                                                                                                                                           |                  |  |
| Recorded Total                                                                                                                                                                                                                                               | 136                   | [1] |
| Recorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year                                                                                                                                                                                  | 11                    | [1] |
| Recorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months                                                                                                                                                                                | 23                    | [1] |
| Recorded Unconditional Purchase Obligation, Due in Rolling Year Two                                                                                                                                                                                          | 24                    | [1] |
| Recorded Unconditional Purchase Obligation, Due in Rolling Year Three                                                                                                                                                                                        | 25                    | [1] |
| Recorded Unconditional Purchase Obligation, Due in Rolling Year Four                                                                                                                                                                                         | 26                    | [1] |
| Recorded Unconditional Purchase Obligation, Due in Rolling Year Five                                                                                                                                                                                         | 27                    | [1] |
| Recorded Unconditional Purchase Obligation, Due in Rolling after Year Five                                                                                                                                                                                   | $ 0                   | [1] |
|                                                                                                                                                                                                                                                              |
| [1]Lease commitments have not been reduced for approximately $1 million due in the future from third parties under non-cancelable sub-leases. See Note 7 for additional information regarding recognized obligations from our licensing-related commitments. |

| X                                                                                                                                                                                                                                                                                                                                                                 |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Total Unconditional Purchase Obligation Balance Sheet Amount Five Years After Fiscal Year End
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                               |
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| - Definition
Total Unconditional Purchase Obligation Balance Sheet Amount Two Years After Fiscal Year End
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No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                             |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Total unconditional purchase obligation balance sheet amount one year after fiscal year end
+ References
No definition available.
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No definition available.
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| - Definition
TotalUnconditionalPurchaseObligationBalanceSheetAmountFourYearsAfterFiscalYearEnd
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                    |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Total Unconditional Purchase Obligation Balance Sheet Amount Remaining For Current Fiscal Year
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                   |
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| - Definition
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No definition available.
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| - Definition
TotalUnconditionalPurchaseObligationBalanceSheetAmountThreeYearsAfterFiscalYearEnd
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No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                           |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=73718637&loc=d3e25383-109308
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the recorded unconditional purchase obligation maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the recorded unconditional purchase obligation maturing in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the recorded unconditional purchase obligation maturing after the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the recorded unconditional purchase obligation maturing in the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the recorded unconditional purchase obligation maturing in the fourth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the recorded unconditional purchase obligation maturing in the third rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the recorded unconditional purchase obligation maturing in the second rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=73718637&loc=d3e25336-109308
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing after the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the fourth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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| - Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the third rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the second rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
+ References
No definition available.
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