Derivative Instruments and Fair Value Measurements - Schedule of Offsetting Assets and Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Offsetting [Abstract]
Asset derivatives, Amounts Presented in the Consolidated Balance Sheet	$ 212	$ 304
Asset derivatives, Financial Instruments, Gross Amounts Not Offset in the Consolidated Balance Sheet	(138)	(153)
Asset derivatives, Cash Collateral Posted, Gross Amounts Not Offset in the Consolidated Balance Sheet	25	(33)
Asset derivatives, Net Amount	99	118
Liability derivatives, Amounts Presented in the Consolidated Balance Sheet	(167)	(172)
Liability derivatives, Financial Instruments, Gross Amounts Not Offset in the Consolidated Balance Sheet	138	153
Liability derivatives, Cash Collateral Received, Gross Amounts Not Offset in the Consolidated Balance Sheet	29	19
Liability derivatives, net amount	$ 0	$ 0