| **Special Charges - Summary Of Activity Related To Special Charge Restructuring Accrual (Details) - USD ($) $ in Millions** | 3 Months Ended | 12 Months Ended |
|-----------------------------------------------------------------------------------------------------------------------------|----------------|-----------------|
||
| 2016 Initiatives                                                                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | $ 29           |            | $ 0 | $ 0 |
| Special charges, total                                                                                                      | 24             | $ 34            |   |   |
| Non-cash charges used                                                                                                       | (7)            |            |   | (2) |
| Cash payments                                                                                                               | (37)           |            |   | (3) |
| Balance at ending                                                                                                           | 9              | 29              |   | 29 |
| 2016 Initiatives | Employee Termination Costs                                                                               |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 29             |            | 0 | 0 |
| Non-cash charges used                                                                                                       | 0              |            |   | 0 |
| Cash payments                                                                                                               | (32)           |            |   | (2) |
| Balance at ending                                                                                                           | 8              | 29              |   | 29 |
| 2016 Initiatives | Inventory Charges                                                                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              |            | 0 | 0 |
| Non-cash charges used                                                                                                       | (2)            |            |   | (1) |
| Cash payments                                                                                                               | 0              |            |   | 0 |
| Balance at ending                                                                                                           | 0              | 0               |   | 0 |
| 2016 Initiatives | Fixed Asset Charges                                                                                      |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              |            | 0 | 0 |
| Special charges, fixed asset charges                                                                                        | 5              |            |   |   |
| Non-cash charges used                                                                                                       | (5)            |            |   | (1) |
| Cash payments                                                                                                               | 0              |            |   | 0 |
| Balance at ending                                                                                                           | 0              | 0               |   | 0 |
| 2016 Initiatives | Other Restructuring Costs                                                                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              |            | 0 | 0 |
| Non-cash charges used                                                                                                       | 0              |            |   | 0 |
| Cash payments                                                                                                               | (5)            |            |   | (1) |
| Balance at ending                                                                                                           | 1              | 0               |   | 0 |
| 2016 Initiatives | Cost of sales                                                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, total                                                                                                      | 4              |            |   | 12 |
| 2016 Initiatives | Cost of sales | Employee Termination Costs                                                               |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, employee terminations costs                                                                                | 0              |            |   | 9 |
| 2016 Initiatives | Cost of sales | Inventory Charges                                                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, inventory charges                                                                                          | 2              |            |   | 1 |
| 2016 Initiatives | Cost of sales | Fixed Asset Charges                                                                      |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, fixed asset charges                                                                                        | 1              |            |   | 1 |
| 2016 Initiatives | Cost of sales | Other Restructuring Costs                                                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, other restructuring costs                                                                                  | 1              |            |   | 1 |
| 2016 Initiatives | Operating Expense                                                                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, total                                                                                                      | 20             |            |   | 22 |
| 2016 Initiatives | Operating Expense | Employee Termination Costs                                                           |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, employee terminations costs                                                                                | 11             |            |   | 22 |
| 2016 Initiatives | Operating Expense | Inventory Charges                                                                    |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, inventory charges                                                                                          | 0              |            |   | 0 |
| 2016 Initiatives | Operating Expense | Fixed Asset Charges                                                                  |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, fixed asset charges                                                                                        | 4              |            |   | 0 |
| 2016 Initiatives | Operating Expense | Other Restructuring Costs                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, other restructuring costs                                                                                  | 5              |            |   | 0 |
| Manufacturing and Supply Chain Optimization Plan                                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 17             |            | 20 | 20 |
| Special charges, total                                                                                                      | 1              |            |   | 78 |
| Non-cash charges used                                                                                                       |           |            |   | (18) |
| Cash payments                                                                                                               | (9)            |            |   | (62) |
| Balance at ending                                                                                                           | 9              | 17              |   | 17 |
| Manufacturing and Supply Chain Optimization Plan | Employee Termination Costs                                               |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 11             |            | 14 | 14 |
| Non-cash charges used                                                                                                       |           |            |   | 0 |
| Cash payments                                                                                                               | (3)            |            |   | (27) |
| Balance at ending                                                                                                           | 8              | 11              |   | 11 |
| Manufacturing and Supply Chain Optimization Plan | Inventory Charges                                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              |            | 0 | 0 |
| Non-cash charges used                                                                                                       |           |            |   | (3) |
| Cash payments                                                                                                               | 0              |            |   | 0 |
| Balance at ending                                                                                                           | 0              | 0               |   | 0 |
| Manufacturing and Supply Chain Optimization Plan | Fixed Asset Charges                                                      |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              |            | 0 | 0 |
| Non-cash charges used                                                                                                       |           |            |   | (15) |
| Cash payments                                                                                                               | 0              |            |   | 0 |
| Balance at ending                                                                                                           | 0              | 0               |   | 0 |
| Manufacturing and Supply Chain Optimization Plan | Other Restructuring Costs                                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 6              |            | 6 | 6 |
| Non-cash charges used                                                                                                       |           |            |   | 0 |
| Cash payments                                                                                                               | (6)            |            |   | (35) |
| Balance at ending                                                                                                           | 1              | 6               |   | 6 |
| Manufacturing and Supply Chain Optimization Plan | Cost of sales                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, total                                                                                                      | 1              |            |   | 29 |
| Manufacturing and Supply Chain Optimization Plan | Cost of sales | Employee Termination Costs                               |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, employee terminations costs                                                                                | 0              |            |   | 4 |
| Manufacturing and Supply Chain Optimization Plan | Cost of sales | Inventory Charges                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, inventory charges                                                                                          | 0              |            |   | 3 |
| Manufacturing and Supply Chain Optimization Plan | Cost of sales | Fixed Asset Charges                                      |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, fixed asset charges                                                                                        | 0              |            |   | 15 |
| Manufacturing and Supply Chain Optimization Plan | Cost of sales | Other Restructuring Costs                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, other restructuring costs                                                                                  | 1              |            |   | 7 |
| Manufacturing and Supply Chain Optimization Plan | Operating Expense                                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, total                                                                                                      |           |            |   | 49 |
| Manufacturing and Supply Chain Optimization Plan | Operating Expense | Employee Termination Costs                           |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, employee terminations costs                                                                                |           |            |   | 20 |
| Manufacturing and Supply Chain Optimization Plan | Operating Expense | Inventory Charges                                    |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, inventory charges                                                                                          |           |            |   | 0 |
| Manufacturing and Supply Chain Optimization Plan | Operating Expense | Fixed Asset Charges                                  |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, fixed asset charges                                                                                        |           |            |   | 0 |
| Manufacturing and Supply Chain Optimization Plan | Operating Expense | Other Restructuring Costs                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, other restructuring costs                                                                                  |           |            |   | 29 |
| 2012 Business Realignment Restructuring Plan                                                                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 10             |            | 38 | 38 |
| Special charges, total                                                                                                      |           |            |   | 14 |
| Non-cash charges used                                                                                                       | 1              |            |   | (5) |
| Cash payments                                                                                                               |           |            |   | (35) |
| Foreign exchange rate impact                                                                                                |           |            |   | (2) |
| Balance at ending                                                                                                           | 9              | 10              |   | 10 |
| 2012 Business Realignment Restructuring Plan | Employee Termination Costs                                                   |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 3              |            | 26 | 26 |
| Non-cash charges used                                                                                                       | 0              |            |   | 0 |
| Cash payments                                                                                                               |           |            |   | (25) |
| Foreign exchange rate impact                                                                                                |           |            |   | (2) |
| Balance at ending                                                                                                           | 3              | 3               |   | 3 |
| 2012 Business Realignment Restructuring Plan | Inventory Charges                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              |            | 0 | 0 |
| Non-cash charges used                                                                                                       | 1              |            |   | (3) |
| Cash payments                                                                                                               |           |            |   | 0 |
| Foreign exchange rate impact                                                                                                |           |            |   | 0 |
| Balance at ending                                                                                                           | 0              | 0               |   | 0 |
| 2012 Business Realignment Restructuring Plan | Fixed Asset Charges                                                          |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              |            | 0 | 0 |
| Special charges, fixed asset charges                                                                                        |           |            | 1 |   |
| Non-cash charges used                                                                                                       | 0              |            |   | (2) |
| Cash payments                                                                                                               |           |            |   | 0 |
| Foreign exchange rate impact                                                                                                |           |            |   | 0 |
| Balance at ending                                                                                                           | 0              | 0               |   | 0 |
| 2012 Business Realignment Restructuring Plan | Other Restructuring Costs                                                    |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 7              |            | $ 12 | 12 |
| Non-cash charges used                                                                                                       | 0              |            |   | 0 |
| Cash payments                                                                                                               |           |            |   | (10) |
| Foreign exchange rate impact                                                                                                |           |            |   | 0 |
| Balance at ending                                                                                                           | 6              | $ 7             |   | 7 |
| 2012 Business Realignment Restructuring Plan | Cost of sales                                                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, total                                                                                                      | (2)            |            |   | 5 |
| 2012 Business Realignment Restructuring Plan | Cost of sales | Employee Termination Costs                                   |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, employee terminations costs                                                                                | 0              |            |   | 2 |
| 2012 Business Realignment Restructuring Plan | Cost of sales | Inventory Charges                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, inventory charges                                                                                          | (1)            |            |   | 3 |
| 2012 Business Realignment Restructuring Plan | Cost of sales | Fixed Asset Charges                                          |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, fixed asset charges                                                                                        | 0              |            |   | 0 |
| 2012 Business Realignment Restructuring Plan | Cost of sales | Other Restructuring Costs                                    |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, other restructuring costs                                                                                  | $ (1)          |            |   | 0 |
| 2012 Business Realignment Restructuring Plan | Operating Expense                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, total                                                                                                      |           |            |   | 9 |
| 2012 Business Realignment Restructuring Plan | Operating Expense | Employee Termination Costs                               |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, employee terminations costs                                                                                |           |            |   | 2 |
| 2012 Business Realignment Restructuring Plan | Operating Expense | Inventory Charges                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, inventory charges                                                                                          |           |            |   | 0 |
| 2012 Business Realignment Restructuring Plan | Operating Expense | Fixed Asset Charges                                      |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, fixed asset charges                                                                                        |           |            |   | 2 |
| 2012 Business Realignment Restructuring Plan | Operating Expense | Other Restructuring Costs                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Special charges, other restructuring costs                                                                                  |           |            |   | $ 5 |

| X                                                                                                                                                                                                                                                                                                                                                                                                                          |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Includes costs associated with cost of sales expenses and operating expenses that are unusual or infrequent in occurrence (such as restructuring, remediation, impairment charges and certain litigation charges).
+ References
No definition available.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.
+ References
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| - Definition
A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.
+ References
No definition available.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of consideration other than cash used to fully or partially settle an accrued restructuring cost.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of gain (loss) from translating a restructuring reserve to the currency of the reporting entity from an amount denominated or measured in a different currency.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.
+ References
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