Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income taxes at U.S. statutory rate of 21% for 2019 and 2018 (35% for 2017)									$ 266	$ 251	$ 372
Impact of transactions									124	(1)	4
Reserve adjustments, settlements and claims									46	32	8
Foreign rate differentials									35	28	(100)
Net tax on remittance of foreign earnings									22	(22)	80
U.S. tax on non-U.S. earnings									15	37	171
Other foreign taxes									10	8	8
State taxes, net of federal benefit									3	6	2
Non-deductible transaction costs									3	3	11
Impact of foreign derived intangible income									1	15	0
Valuation allowance adjustments					$ (9)				(2)	(11)	12
Affiliates' earnings									(7)	(10)	(18)
Changes in accounting methods and filing positions									(7)	(30)	(2)
Tax credits									(17)	(26)	(24)
Changes in accounting methods and filing positions									(26)	(28)	(31)
Revaluation of U.S. deferred taxes									0	(4)	64
Other									4	(7)	23
Provision for income taxes	$ 238	$ 66	$ 73	$ 91	19	$ 67	$ 30	$ 95	468	$ 211	$ 580
Tax expense resulting from finalization of one-time transition tax									22
Tax expense on net remittance of foreign earnings									22
Effective Income Tax Rate Reconciliation, Deduction, Other Postretirement Expense, Amount			6						6
U.S. Federal Corporate Tax Rate prior to the Tax Cuts and Jobs Act											35.00%
U.S. Federal Corporate Tax Rate After the Tax Cuts and Jobs Act										21.00%
Effective tax rate reconciliation, GILTI										$ 29
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability											$ 105
Income tax expense, revaluation of deferred tax assets and liabilities due to change of tax law											75
Income tax expense related to executive compensation due to change of tax law											11
Increase of deferred tax liabilities, future remittance of foreign earnings, due to the Act											94
Tax benefit associated with restructuring	8	4	4	3	6	1	8	1	19	15	10
Tax benefit associated with merger and acquisition expense											(1)
Tax expenses (benefits) associated with asbestos-related adjustments					(6)					(6)
Tax benefit associated with asset impairment expense					(8)					(8)	(18)
Tax expense on gain from customer contract expiration								$ 1		1
Effective Income Tax Rate Reconciliation, Disposition of Asset, Amount					6					6
Effective rate reconciliation measurement period adjustments due to the Tax Act					7	(7)	(13)			(13)
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount						(1)	(21)			(22)
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount										(9)
Effective income tax rate reconciliation, tax reserve adjustments					(3)					(3)
Tax impact of other tax adjustments	(5)	$ (9)	$ (1)	$ (5)	$ (19)	$ (2)	$ (10)			$ (30)	$ (4)
Effective Income Tax Rate Reconciliation, Global Realignment Plan	$ 11
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount									$ 8