Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
(Provision) benefit for income taxes	$ (129)	$ 34	$ (163)	$ (192)
Effective income tax rate	24.90%	(3.30%)	16.50%	8.80%
Discrete tax benefit	$ 3	$ 268	$ 81	$ 289
(Provision) benefit from other items identified as affecting comparability	$ 23	$ 26	$ 48	$ 1
Percentage point decrease in effective tax rate	0.30%	26.30%	7.80%	13.30%
Income tax benefit, adjustments of deferred tax asset		$ 260		$ 260