| **Derivative Financial Instruments - Summary of Derivative Instruments (Gain) Loss (Details) - Foreign currency forward contracts - Designated as Hedging Instrument - Cash Flow Hedging - USD ($) $ in Millions** | 3 Months Ended | 9 Months Ended |
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| **Derivative Instruments, (Gain) Loss [Line Items]**                                                                                                                                                               |           |           |   |   |
| Pre-tax (gain) loss recognized in other comprehensive income on effective portion of derivative                                                                                                                    | $ 7            | $ 10           | $ 51 | $ (9) |
| Cost of sales                                                                                                                                                                                                      |           |           |   |   |
| **Derivative Instruments, (Gain) Loss [Line Items]**                                                                                                                                                               |           |           |   |   |
| Pre-tax (Gain) Loss Recognized in Earnings on Effective Portion of Derivative as a Result of Reclassification from Accumulated Other Comprehensive Income                                                          | 7              | (4)            | 1 | (8) |
| Ineffective Portion of (Gain) Loss on Derivative and Excluded from Effectiveness Testing Recognized in Earnings                                                                                                    | $ 0            | $ 0            | $ 0 | $ 0 |

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| - 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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| - Definition
The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
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| - Definition
The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
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| - Definition
The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.
+ References
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| X                                                                                                                                                                  |
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