Offsetting Assets and Liabilities - Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Derivatives:
Gross Amounts of Recognized Assets	$ 3,020	$ 5,574
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	3,020	5,574
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(2,406)	(3,745)
Cash Collateral	(568)	(1,637)
Securities Collateral	(5)	(114)
Net Amount	41	78
Securities borrowed
Gross Amounts of Recognized Assets	199	135
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	199	135
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(31)	(41)
Cash Collateral	0	0
Securities Collateral	(164)	(91)
Net Amount	4	3
Total
Gross Amounts of Recognized Assets	3,219	5,709
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	3,219	5,709
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(2,437)	(3,786)
Cash Collateral	(568)	(1,637)
Securities Collateral	(169)	(205)
Net Amount	45	81
OTC
Derivatives:
Gross Amounts of Recognized Assets	2,900	5,387
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	2,900	5,387
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(2,322)	(3,613)
Cash Collateral	(568)	(1,637)
Securities Collateral	(5)	(114)
Net Amount	5	23
OTC cleared
Derivatives:
Gross Amounts of Recognized Assets	23	88
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	23	88
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(9)	(41)
Cash Collateral	0	0
Securities Collateral	0	0
Net Amount	14	47
Exchange-traded
Derivatives:
Gross Amounts of Recognized Assets	97	99
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	97	99
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(75)	(91)
Cash Collateral	0	0
Securities Collateral	0	0
Net Amount	$ 22	$ 8