Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Contingency [Line Items]
Percentage of temporary tax differences that reverse within the carryforward period	10.00%
Percentage of deferred tax asset exclusive of reversing temporary differences	90.00%
Foreign tax credits	$ 22		$ 88
Reduction from repatriation of foreign earnings	9
Reduction from suspended foreign tax credits	4
Deduction of foreign taxes	9		113
Cumulative amount of valuation allowance	180
Increase (decrease) to valuation allowance	113	$ 136	19
Valuation allowance	$ 2,279	$ 2,307	$ 2,121	$ 2,357
Percentage of the effect of unrecognized tax benefit, if recorded	1.00%	1.00%	36.00%
Interest or penalties recognized (less than for 2021)	$ 1	$ 2	$ 6
Income related to accrued interest and penalties (less than for 2019)	3	25	1
Amount accrued for payment of interest and penalties (less than for 2021)	1	2	23
Domestic Tax Authority
Income Tax Contingency [Line Items]
Increase (decrease) to valuation allowance	3	20	(11)
Tax Authority, Spain | Foreign Tax Authority
Income Tax Contingency [Line Items]
Increase (decrease) to valuation allowance	8	104
Other Net State Deferred Tax Asset
Income Tax Contingency [Line Items]
Valuation allowance	632
Other Net State Deferred Tax Asset | Domestic Tax Authority
Income Tax Contingency [Line Items]
Increase (decrease) to valuation allowance	20	$ (58)	$ 5
Capital Loss Carryforward
Income Tax Contingency [Line Items]
Increase (decrease) to valuation allowance	(9)
Valuation allowance, amount released	$ 0