Derivative and Hedging Activities - Cash Flow Derivative Instruments On AOCL (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in AOCL	$ (16)	$ 7
Unrealized gains on cash flow hedges:
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in AOCL		34	$ 25	$ 88
Amount of reclassified from AOCL to interest expense		$ (12)	$ 7	$ (4)