Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income from continuing operations before income taxes, including equity in unconsolidated affiliates	$ 621	$ (23)	$ 524
Undistributed Earnings of Foreign Subsidiaries	$ 143
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. Federal tax rate	21.00%	21.00%	21.00%
State and local income taxes	3.00%	11.00%	3.00%
Tax credits	1.00%	(8.00%)	1.00%
Noncontrolling interest	0.00%	(4.00%)	0.00%
Stock-based compensation	0.00%	5.00%	(1.00%)
Effective Income Tax Rate Reconciliation, capital gain tax rate differential	0.00%	(5.00%)	0.00%
Effective income tax rate reconciliation, inflationary adjustment	0.00%	(5.00%)	0.00%
Valuation allowance	0.00%	8.00%	0.00%
Uncertain tax positions	(4.00%)	(7.00%)	0.00%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	0.00%	0.00%	(1.00%)
Other, net	0.00%	1.00%	1.00%
Effective tax rate (%)	20.00%	58.00%	23.00%
Foreign tax rate
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effect of foreign tax rates / foreign exhchange	1.00%	9.00%	2.00%
Foreign Currency Gain (Loss)
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effect of foreign tax rates / foreign exhchange	0.00%	(4.00%)	(1.00%)

Effective Income Tax Rate Reconciliation, capital gain tax rate differential

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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