Income Taxes - Deferred income taxes (assets and liabilities netted by jurisdiction) as classified in the Consolidated Statements of Financial Position (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Deferred tax assets — non-current	$ 766	$ 724
Deferred tax liabilities — non-current	(401)	(262)
Net deferred tax asset	$ 365	$ 462