Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022
Other income tax disclosures
Effect of unrecognized tax benefit on income tax expense	$ 30	$ 43	$ 30
Interest expense and penalties related to unrecognized income tax expense	(10)	$ 2
Net accrued interest and penalties	$ 13		13
State
Operating loss carryforwards
State NOL carryforwards			3,508
Deferred income tax asset for State NOL carryforwards			177
State interest limitation carryforwards			384
Deferred income tax asset for State interest limitation carryforwards			16
Federal
Operating loss carryforwards
Federal NOL carryforwards			344
Deferred income tax asset for Federal NOL carryforwards			72
Federal interest limitation carryforwards			277
Deferred income tax asset for Federal interest limitation carryforwards			$ 58