Offsetting Assets and Liabilities - Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Derivatives:
Gross Amounts of Recognized Liabilities	$ 2,748	$ 4,223
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Liabilities Presented in the Consolidated Balance Sheets	2,748	4,223
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(2,406)	(3,745)
Cash Collateral	(43)	(183)
Securities Collateral	(294)	(292)
Net Amount	5	3
Securities loaned
Gross Amounts of Recognized Liabilities	235	207
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Liabilities Presented in the Consolidated Balance Sheets	235	207
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(31)	(41)
Cash Collateral	0	0
Securities Collateral	(197)	(160)
Net Amount	7	6
Total
Gross Amounts of Recognized Liabilities	2,983	4,430
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Liabilities Presented in the Consolidated Balance Sheets	2,983	4,430
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(2,437)	(3,786)
Cash Collateral	(43)	(183)
Securities Collateral	(491)	(452)
Net Amount	12	9
OTC
Derivatives:
Gross Amounts of Recognized Liabilities	2,646	4,091
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Liabilities Presented in the Consolidated Balance Sheets	2,646	4,091
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(2,322)	(3,613)
Cash Collateral	(43)	(183)
Securities Collateral	(277)	(292)
Net Amount	4	3
OTC cleared
Derivatives:
Gross Amounts of Recognized Liabilities	9	41
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Liabilities Presented in the Consolidated Balance Sheets	9	41
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(9)	(41)
Cash Collateral	0	0
Securities Collateral	0	0
Net Amount	0	0
Exchange-traded
Derivatives:
Gross Amounts of Recognized Liabilities	93	91
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Liabilities Presented in the Consolidated Balance Sheets	93	91
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(75)	(91)
Cash Collateral	0	0
Securities Collateral	(17)	0
Net Amount	$ 1	$ 0