| **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                                                                                                        | $ 11           | $ 9             | $ 29 | $ 0 |
| Non-cash charges used                                                                                                       | (1)            |            | (7) | (2) |
| Cash payments                                                                                                               | (6)            | (10)            | (37) | (3) |
| Balance at ending                                                                                                           | 10             | 11              | 9 | 29 |
| 2016 Initiatives | Employee Termination Costs                                                                               |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 8              | 8               | 29 | 0 |
| Non-cash charges used                                                                                                       | 0              |            | 0 | 0 |
| Cash payments                                                                                                               | (3)            | (6)             | (32) | (2) |
| Balance at ending                                                                                                           | 7              | 8               | 8 | 29 |
| 2016 Initiatives | Inventory Charges                                                                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              | 0               | 0 | 0 |
| Non-cash charges used                                                                                                       | 0              |            | (2) | (1) |
| Cash payments                                                                                                               | 0              | 0               | 0 | 0 |
| Balance at ending                                                                                                           | 0              | 0               | 0 | 0 |
| 2016 Initiatives | Fixed Asset Charges                                                                                      |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              | 0               | 0 | 0 |
| Non-cash charges used                                                                                                       | (1)            |            | (5) | (1) |
| Cash payments                                                                                                               | 0              | 0               | 0 | 0 |
| Balance at ending                                                                                                           | 0              | 0               | 0 | 0 |
| 2016 Initiatives | Other Restructuring Costs                                                                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 3              | 1               | 0 | 0 |
| Non-cash charges used                                                                                                       | 0              |            | 0 | 0 |
| Cash payments                                                                                                               | (3)            | (4)             | (5) | (1) |
| Balance at ending                                                                                                           | 3              | 3               | 1 | 0 |
| 2016 Initiatives | Cost of sales                                                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 2              | 2               | 4 | 12 |
| 2016 Initiatives | Cost of sales | Employee Termination Costs                                                               |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 0              | 0               | 0 | 9 |
| 2016 Initiatives | Cost of sales | Inventory Charges                                                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 0              | 0               | 2 | 1 |
| 2016 Initiatives | Cost of sales | Fixed Asset Charges                                                                      |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 0              | 0               | 1 | 1 |
| 2016 Initiatives | Cost of sales | Other Restructuring Costs                                                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 2              | 2               | 1 | 1 |
| 2016 Initiatives | Operating Expense                                                                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 4              | 10              | 20 | 22 |
| 2016 Initiatives | Operating Expense | Employee Termination Costs                                                           |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 2              | 6               | 11 | 22 |
| 2016 Initiatives | Operating Expense | Inventory Charges                                                                    |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 0              | 0               | 0 | 0 |
| 2016 Initiatives | Operating Expense | Fixed Asset Charges                                                                  |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 1              | 0               | 4 | 0 |
| 2016 Initiatives | Operating Expense | Other Restructuring Costs                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 1              | 4               | 5 | 0 |
| Manufacturing and Supply Chain Optimization Plan                                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 6              | 9               | 17 | 20 |
| Non-cash charges used                                                                                                       |           |            |   | (18) |
| Cash payments                                                                                                               | (3)            | (5)             | (9) | (62) |
| Balance at ending                                                                                                           | 4              | 6               | 9 | 17 |
| Manufacturing and Supply Chain Optimization Plan | Employee Termination Costs                                               |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 5              | 8               | 11 | 14 |
| Non-cash charges used                                                                                                       |           |            |   | 0 |
| Cash payments                                                                                                               | (2)            | (3)             | (3) | (27) |
| Balance at ending                                                                                                           | 3              | 5               | 8 | 11 |
| Manufacturing and Supply Chain Optimization Plan | Inventory Charges                                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              | 0               | 0 | 0 |
| Non-cash charges used                                                                                                       |           |            |   | (3) |
| Cash payments                                                                                                               | 0              | 0               | 0 | 0 |
| Balance at ending                                                                                                           | 0              | 0               | 0 | 0 |
| Manufacturing and Supply Chain Optimization Plan | Fixed Asset Charges                                                      |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              | 0               | 0 | 0 |
| Non-cash charges used                                                                                                       |           |            |   | (15) |
| Cash payments                                                                                                               | 0              | 0               | 0 | 0 |
| Balance at ending                                                                                                           | 0              | 0               | 0 | 0 |
| Manufacturing and Supply Chain Optimization Plan | Other Restructuring Costs                                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 1              | 1               | 6 | 6 |
| Non-cash charges used                                                                                                       |           |            |   | 0 |
| Cash payments                                                                                                               | (1)            | (2)             | (6) | (35) |
| Balance at ending                                                                                                           | 1              | 1               | 1 | 6 |
| Manufacturing and Supply Chain Optimization Plan | Cost of sales                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       |           | 1               | 1 | 29 |
| Manufacturing and Supply Chain Optimization Plan | Cost of sales | Employee Termination Costs                               |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       |           | 0               | 0 | 4 |
| Manufacturing and Supply Chain Optimization Plan | Cost of sales | Inventory Charges                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       |           | 0               | 0 | 3 |
| Manufacturing and Supply Chain Optimization Plan | Cost of sales | Fixed Asset Charges                                      |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       |           | 0               | 0 | 15 |
| Manufacturing and Supply Chain Optimization Plan | Cost of sales | Other Restructuring Costs                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       |           | 1               | 1 | 7 |
| Manufacturing and Supply Chain Optimization Plan | Operating Expense                                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 1              | 1               |   | 49 |
| Manufacturing and Supply Chain Optimization Plan | Operating Expense | Employee Termination Costs                           |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 0              | 0               |   | 20 |
| Manufacturing and Supply Chain Optimization Plan | Operating Expense | Inventory Charges                                    |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 0              | 0               |   | 0 |
| Manufacturing and Supply Chain Optimization Plan | Operating Expense | Fixed Asset Charges                                  |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 0              | 0               |   | 0 |
| Manufacturing and Supply Chain Optimization Plan | Operating Expense | Other Restructuring Costs                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 1              | 1               |   | 29 |
| 2012 Business Realignment Restructuring Plan                                                                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 8              | 9               | 10 | 38 |
| Non-cash charges used                                                                                                       | 2              |            | 1 | (5) |
| Cash payments                                                                                                               | (1)            | (1)             |   | (35) |
| Foreign exchange rate impact                                                                                                |           |            |   | (2) |
| Balance at ending                                                                                                           | 6              | 8               | 9 | 10 |
| 2012 Business Realignment Restructuring Plan | Employee Termination Costs                                                   |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 2              | 3               | 3 | 26 |
| Non-cash charges used                                                                                                       | 0              |            | 0 | 0 |
| Cash payments                                                                                                               | (1)            | (1)             |   | (25) |
| Foreign exchange rate impact                                                                                                |           |            |   | (2) |
| Balance at ending                                                                                                           | 0              | 2               | 3 | 3 |
| 2012 Business Realignment Restructuring Plan | Inventory Charges                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              | 0               | 0 | 0 |
| Non-cash charges used                                                                                                       | 2              |            | 1 | (3) |
| Cash payments                                                                                                               | 0              | 0               |   | 0 |
| Foreign exchange rate impact                                                                                                |           |            |   | 0 |
| Balance at ending                                                                                                           | 0              | 0               | 0 | 0 |
| 2012 Business Realignment Restructuring Plan | Fixed Asset Charges                                                          |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 0              | 0               | 0 | 0 |
| Non-cash charges used                                                                                                       | 0              |            | 0 | (2) |
| Cash payments                                                                                                               | 0              | 0               |   | 0 |
| Foreign exchange rate impact                                                                                                |           |            |   | 0 |
| Balance at ending                                                                                                           | 0              | 0               | 0 | 0 |
| 2012 Business Realignment Restructuring Plan | Other Restructuring Costs                                                    |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Balance at beginning                                                                                                        | 6              | 6               | 7 | 12 |
| Non-cash charges used                                                                                                       | 0              |            | 0 | 0 |
| Cash payments                                                                                                               | 0              | 0               |   | (10) |
| Foreign exchange rate impact                                                                                                |           |            |   | 0 |
| Balance at ending                                                                                                           | 6              | $ 6             | 6 | 7 |
| 2012 Business Realignment Restructuring Plan | Cost of sales                                                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | (2)            |            | (2) | 5 |
| 2012 Business Realignment Restructuring Plan | Cost of sales | Employee Termination Costs                                   |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 0              |            | 0 | 2 |
| 2012 Business Realignment Restructuring Plan | Cost of sales | Inventory Charges                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | (2)            |            | (1) | 3 |
| 2012 Business Realignment Restructuring Plan | Cost of sales | Fixed Asset Charges                                          |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 0              |            | 0 | 0 |
| 2012 Business Realignment Restructuring Plan | Cost of sales | Other Restructuring Costs                                    |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 0              |            | $ (1) | 0 |
| 2012 Business Realignment Restructuring Plan | Operating Expense                                                            |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | (1)            |            |   | 9 |
| 2012 Business Realignment Restructuring Plan | Operating Expense | Employee Termination Costs                               |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | (1)            |            |   | 2 |
| 2012 Business Realignment Restructuring Plan | Operating Expense | Inventory Charges                                        |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 0              |            |   | 0 |
| 2012 Business Realignment Restructuring Plan | Operating Expense | Fixed Asset Charges                                      |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | 0              |            |   | 2 |
| 2012 Business Realignment Restructuring Plan | Operating Expense | Other Restructuring Costs                                |           |            |   |   |
| **Restructuring Reserve [Roll Forward]**                                                                                    |           |            |   |   |
| Restructuring Charges                                                                                                       | $ 0            |            |   | $ 5 |

| 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
Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to 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 decrease in the reserve for full or partial settlement through consideration other than cash.
+ References
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| - Definition
Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.
+ References
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