Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income tax benefit	$ (23)	$ 19
Effective tax rate	32.10%	23.50%
Valuation allowance, deferred tax asset, increase (decrease)		$ 2