Commitments and Contingencies - Components of Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract]
Operating lease cost	$ 39	$ 32	$ 111	$ 97
Sublease income	(1)	0	(2)	(1)
Total lease cost	$ 38	$ 32	$ 109	$ 96