Length in Years for 80 Percent of Future Unasserted Asbestos Claims to be Filed

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- Definition

Length in Years for 95 Percent of Future Unasserted Claims to be Filed

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Length in Years for 65 Percent of Future Unasserted Asbestos Claims to be Filed

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Amount of expense for newly incurred loss contingencies and revisions to previously reported estimates

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Percent of Future Unasserted Asbestos Claims to be Filed Within the Next Fifteen Years

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Percent of Future Unasserted Asbestos Claims To be Filed Within the Next Ten Years

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Percent of Future Unasserted Asbestos Claims to be Filed Within the Next Twenty-five Years

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- Definition

Amount of loss contingency liability.

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-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

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Amount of cash outflow reducing loss contingency liability.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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

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-Name Accounting Standards Codification
-Topic 450
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Commitments and Contingencies Personal Injury (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Unasserted Claim
Asbestos and Personal Injury [Abstract]
Percent of future unasserted asbestos claims to be filed within the next ten years	65.00%		65.00%
Percent of future unasserted asbestos claims to be filed within the next fifteen years	80.00%		80.00%
Percent of future unasserted asbestos claims to be filed within the next twenty-five years	95.00%		95.00%
Length in years for 65 percent of future unasserted asbestos claims to be filed			10 years
Length in years for 80 percent of future unasserted asbestos claims to be filed			15 years
Length in years for 95 percent of future unasserted asbestos claims to be filed			25 years
Personal Injury [Member]
Asbestos and Personal Injury [Abstract]
Loss Contingency, Accrual, Current	$ 75		$ 75		$ 85
Loss Contingency Accrual [Roll Forward]
Beginning balance	305	$ 367	307	$ 367
Accruals / changes in estimates	27	4	34	18
Payments	(37)	(7)	(46)	(21)
Ending balance	295	$ 364	295	$ 364
Loss Contingency, Accrual, Current	75		75		$ 85
Personal Injury [Member] \| Minimum [Member]
Asbestos and Personal Injury [Abstract]
Future costs to settle claims and associated liability	260		260
Personal Injury [Member] \| Maximum [Member]
Asbestos and Personal Injury [Abstract]
Future costs to settle claims and associated liability	$ 355		$ 355