Derivative Financial Instruments - Balance Sheet Offsetting, Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Derivative Liabilities
Gross Amounts of Recognized Liabilities	$ 234	$ 148
Gross Amounts Offset in the Statement of Financial Position, Financial Instruments	(144)	(87)
Gross Amounts Offset in the Statement of Financial Position, Cash Collateral Pledged	(79)	(33)
Net Amounts of Liabilities Presented in the Statement of Financial Position	11	28
Net Amount	11	28
Repurchase, securities lending, and similar arrangements
Gross Amounts of Recognized Liabilities	525	61
Gross Amounts Offset in the Statement of Financial Position, Financial Instruments	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Position	525	61
Gross Amounts Not Offset in the Statement of Financial Position	0	0
Net Amount	525	61
Total
Gross Amounts of Recognized Liabilities	759	209
Gross Amounts Offset in the Statement of Financial Position, Financial Instruments	(144)	(87)
Net Amounts of Liabilities Presented in the Statement of Financial Position	536	89
Gross Amounts Not Offset in the Statement of Financial Position	0	0
Net Amount	$ 536	$ 89
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities