Income Taxes - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Income Taxes [Line Items]
Deferred tax liability attributable to temporary differences in other comprehensive income (loss)	$ 44
Deferred tax liability attributable to acquisitions	73
Unrecognized tax benefits that would impact effective tax rate	1,500
Federal Tax Authority
Income Taxes [Line Items]
Operating loss carryforwards	196
Foreign Tax Authority
Income Taxes [Line Items]
Operating loss carryforwards	$ 9,600