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Commitments and Contingent Liabilities - Narrative (Details) € in Millions, zł in Millions, $ in Millions | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2019 USD ($) employee claim | Mar. 31, 2019 EUR (€) claim | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 PLN (zł) | Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |
Environmental matters liability | $ 46 |  | $ 45 |  |  |
Workers' compensation liability | $ 226 |  | 224 |  |  |
Period covered by liability | 10 years |  |  |  |  |
Off-balance sheet financial guarantees written and other commitments | $ 73 |  | 73 |  |  |
Workers' Compensation |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Potential workers' compensation liability in excess of recorded amount | 30 |  |  |  |  |
General Product Liability Member |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Potential product liability or claim, including related legal fees | 329 |  | 322 |  |  |
Asbestos Related Product Liability |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Potential product liability or claim, including related legal fees | $ 164 |  | 166 |  |  |
Number of asbestos claims settled and dismissed, to date | claim | 147,500 | 147,500 |  |  |  |
Sum of accrued asbestos-related liability and gross payments to date, including legal costs | $ 542 |  | 541 |  |  |
Loss contingency, receivable | $ 107 |  | 108 |  |  |
Percentage of asbestos claim related losses recoverable through insurance | 65.00% | 65.00% |  |  |  |
Aggregate limits of excess insurance policies |  |  | 565 |  |  |
Loss Contingency, Receivable, Current | $ 13 |  | 13 |  |  |
Amiens Labor Claims |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Wrongful termination or other claims against company | $ 135 | € 120 |  |  |  |
Amiens Labor Claims | Amiens Restructuring Plan |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, number of plaintiffs | employee | 850 |  |  |  |  |
Unfavorable Regulatory Action |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Guarantor obligations, maximum exposure |  |  |  | $ 43 | zł 165 |
Insurance Claims |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Guarantor obligations, maximum exposure | $ 29 |  |  |  |  | $ 46
Other Current Liabilities |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Environmental matters liability, current | 10 |  | 10 |  |  |
Other Current Liabilities | General Product Liability Member |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Potential product liability or claim, including related legal fees | 59 |  | 57 |  |  |
Compensation and Benefits |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Workers' compensation liability, current | 39 |  | $ 42 |  |  |
Accounts receivable | SRI |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Indemnification asset | 5 |  |  |  |  |
Other Assets |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Indemnification asset | $ 29 |  |  |  |  |

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