Income Taxes - Reconcilation of the Valuation Allowance (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Deferred tax assets, valuation allowance, beginning balance	$ (1,085)	$ (1,284)	$ (975)
Changes to existing valuation allowances	140	103	(393)
Derecognition of valuation allowances	905	41	0
Changes in foreign exchange rates, statutory rates and other	(42)	55	84
Deferred tax assets, valuation allowance, ending balance	$ (82)	$ (1,085)	$ (1,284)