Income Taxes - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
(Loss) income from continuing operations before income taxes	$ (789)	$ 55	$ (1,136)	$ 133
Provision for income taxes	$ 135	$ 18	$ 64	$ 39
Effective tax rate	(17.10%)	32.70%	(5.60%)	29.30%
Deferred tax liabilities, net	$ 779		$ 779
Unrecognized tax benefits			$ 24

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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