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percentage of asbestos claim related losses recoverable through insurance.

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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Amount of receivable related to a loss contingency accrual that is expected to be collected within one year or the normal operating cycle, if longer. For example, an insurance recovery receivable.

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Present value of the accrual for product liability loss contingencies as of the balance sheet date (if the accrual qualifies for discounting).

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Commitments and Contingent Liabilities - Narrative (Details) € in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2018 USD ($) employee claim	Sep. 30, 2018 EUR (€) claim	Dec. 31, 2017 USD ($)	Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items]
Environmental matters liability	$ 47		$ 46
Workers' compensation liability	$ 240		243
Period covered by liability	10 years
Off-balance sheet financial guarantees written and other commitments	$ 79		82
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	330		316
Asbestos Related Product Liability
Loss Contingencies [Line Items]
Potential product liability or claim, including related legal fees	$ 176		167
Number of asbestos claims settled and dismissed, to date \| claim	146,300	146,300
Sum of accrued asbestos-related liability and gross payments to date, including legal costs	$ 546		529
Loss contingency, receivable	$ 121		113
Percentage of asbestos claim related losses recoverable through insurance	70.00%	70.00%
Aggregate limits of excess insurance policies			440
Loss Contingency, Receivable, Current	$ 15		15
Amiens Labor Claims
Loss Contingencies [Line Items]
Wrongful termination or other claims against company	$ 139	€ 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	$ 45		47
Insurance Claims
Loss Contingencies [Line Items]
Guarantor obligations, maximum exposure	33			$ 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	48		55
Compensation and Benefits
Loss Contingencies [Line Items]
Workers' compensation liability, current	44		$ 45
Accounts receivable \| SRI
Loss Contingencies [Line Items]
Indemnification asset	5
Other Assets
Loss Contingencies [Line Items]
Indemnification asset	$ 31