Income Taxes (Current and deferred components of the Company's income tax (expense) benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Current tax expense	$ (235)	$ (180)	$ (269)
Deferred tax (expense) benefit	(47)	49	46
Income tax expense	$ (282)	$ (131)	$ (223)