Income Taxes - Deferred Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets:
Accrued postretirement benefits	$ 44	$ 53
Asbestos-related liabilities	122	242
Foreign tax credit	124	413
Operating and capital loss carryovers	342	389
Other credit carryovers	17	34
Accrued liabilities	69	95
Pension liability	77	138
Other	43	74
Total deferred tax assets	838	1,438
Deferred tax liabilities:
Property, plant, and equipment	101	131
Intangibles and deferred software	97	119
Other	2	9
Total deferred tax liabilities	200	259
Valuation allowance	(543)	(1,094)
Net deferred taxes	95	85
Deferred taxes are included in the Consolidated Balance Sheets:
Other assets	194	185
Deferred taxes	(99)	(100)
Net deferred taxes	95	$ 85
Deferred tax benefit associated with reduction in valuation allowance	551
Deferred tax benefit associated with reduction in valuation allowance allocated to income from continuing operations	445
Deferred tax benefit associated with reduction in valuation allowance allocated to other comprehensive income	$ 79