Offsetting Assets and Liabilities - Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Derivatives:
Gross Amounts of Recognized Liabilities	$ 3,127	$ 4,223
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Liabilities Presented in the Consolidated Balance Sheets	3,127	4,223
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(2,575)	(3,745)
Cash Collateral	(93)	(183)
Securities Collateral	(332)	(292)
Net Amount	127	3
Securities loaned
Gross Amounts of Recognized Liabilities	230	207
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Liabilities Presented in the Consolidated Balance Sheets	230	207
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(40)	(41)
Cash Collateral	0	0
Securities Collateral	(182)	(160)
Net Amount	8	6
Total
Gross Amounts of Recognized Liabilities	3,357	4,430
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Liabilities Presented in the Consolidated Balance Sheets	3,357	4,430
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(2,615)	(3,786)
Cash Collateral	(93)	(183)
Securities Collateral	(514)	(452)
Net Amount	135	9
OTC
Derivatives:
Gross Amounts of Recognized Liabilities	2,836	4,091
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Liabilities Presented in the Consolidated Balance Sheets	2,836	4,091
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(2,391)	(3,613)
Cash Collateral	(93)	(183)
Securities Collateral	(323)	(292)
Net Amount	29	3
OTC cleared
Derivatives:
Gross Amounts of Recognized Liabilities	201	41
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Liabilities Presented in the Consolidated Balance Sheets	201	41
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(105)	(41)
Cash Collateral	0	0
Securities Collateral	0	0
Net Amount	96	0
Exchange-traded
Derivatives:
Gross Amounts of Recognized Liabilities	90	91
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Liabilities Presented in the Consolidated Balance Sheets	90	91
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(79)	(91)
Cash Collateral	0	0
Securities Collateral	(9)	0
Net Amount	$ 2	$ 0