(Schedule of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Earnings (loss) from continuing operations before income taxes and equity earnings	$ 123	$ 282	$ 261	$ (16)	$ 400	$ 452	$ 334	$ 418	$ 650	$ 1,604	$ 1,781
Statutory U.S. income tax rate									21.00%	21.00%	21.00%
Tax expense (benefit) using statutory U.S. income tax rate									$ 137	$ 337	$ 374
State and local income taxes									28	6	72
Impact of rate differential on non-U.S. permanent differences and earnings									22	31	35
Foreign deferred tax valuation allowance					$ 203				0	203	0
Tax expense (benefit) on manufacturing activities									0	0	(1)
Non-deductible business expenses									5	7	6
Non-deductible impairments									92	31	0
Non-deductible compensation									11	3	11
Tax audits									(38)	0	(28)
Deemed repatriation, net of foreign tax credits									(14)	(1)	(25)
U.S. federal tax rate change							$ 9		7	0	(13)
Foreign derived intangible income deduction									0	2	(25)
US tax on non-U.S. earnings (GILTI and Subpart F)									11	36	19
Foreign tax credits									(4)	(2)	(15)
General business and other tax credits									(45)	(33)	(26)
Tax expense (benefit) on equity earnings									8	10	10
Other, net									(3)	2	(5)
Income tax provision (benefit)									$ 245	$ 634	$ 445
Effective income tax rate									38.00%	40.00%	25.00%