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Costs Associated with Rationalization Programs - Narrative (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 USD ($) employee | Mar. 31, 2017 USD ($) | Dec. 31, 2017 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations accrual balance | $ 149 |  | $ 213
Rationalizations | 37 | $ 29 |
Rationalization reversals | 5 |  |
Rationalization charges incurred to date |  |  | $ 730
Rationalization charges expected to be incurred in future periods | $ 18 |  |
Expected number of job reductions | employee | 800 |  |
Current Year Plans |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | $ 31 | 23 |
Expected number of job reductions | employee | 300 |  |
Prior Year Plans |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | $ 6 | 6 |
Number of associates released | employee | 200 |  |
Employee Severance |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations accrual balance | $ 58 |  |
Employee Severance | Current Year Plans |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | 25 |  |
EMEA Restructuring, Manufacturing Employee Severance |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations accrual balance | 45 |  |
Philippsburg Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations accrual balance | 16 |  |
Philippsburg Restructuring | Prior Year Plans |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | 7 |  |
EMEA Restructuring, SAG Employee Severance | Current Year Plans |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations |  | 17 |
Europe, Middle East, and Africa Restructuring Plan - Operating Efficiency |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations accrual balance | 14 |  |
Europe, Middle East, and Africa Restructuring Plan - Operating Efficiency | Current Year Plans |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | $ 6 | 6 |
Wolverhampton Restructuring Plan | Prior Year Plans |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations |  | 2 |
Wittlich Restructuring Plan | Prior Year Plans |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations |  | $ 2 |
Amiens Restructuring | Amiens Labor Claims |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Loss contingency, number of plaintiffs | employee | 840 |  |

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