Offsetting Assets and Liabilities - Assets (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Derivatives:
Gross Amounts of Recognized Assets	$ 4,493	$ 3,020
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	4,493	3,020
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(3,239)	(2,406)
Cash Collateral	(889)	(568)
Securities Collateral	(242)	(5)
Net Amount	123	41
Securities borrowed
Gross Amounts of Recognized Assets	76	199
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	76	199
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(28)	(31)
Cash Collateral	0	0
Securities Collateral	(47)	(164)
Net Amount	1	4
Total
Gross Amounts of Recognized Assets	4,569	3,219
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	4,569	3,219
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(3,267)	(2,437)
Cash Collateral	(889)	(568)
Securities Collateral	(289)	(169)
Net Amount	124	45
OTC
Derivatives:
Gross Amounts of Recognized Assets	4,343	2,900
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	4,343	2,900
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(3,150)	(2,322)
Cash Collateral	(889)	(568)
Securities Collateral	(242)	(5)
Net Amount	62	5
OTC cleared
Derivatives:
Gross Amounts of Recognized Assets	64	23
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	64	23
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(18)	(9)
Cash Collateral	0	0
Securities Collateral	0	0
Net Amount	46	14
Exchange-traded
Derivatives:
Gross Amounts of Recognized Assets	86	97
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	86	97
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(71)	(75)
Cash Collateral	0	0
Securities Collateral	0	0
Net Amount	$ 15	$ 22