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Offsetting Assets and Liabilities - Assets (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Derivatives:
Gross Amounts of Recognized Assets	$ 8,020	$ 9,239
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	8,020	9,239
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(4,980)	(5,594)
Cash Collateral	(1,243)	(1,554)
Securities Collateral	(1,605)	(1,970)
Net Amount	192	121
Securities borrowed
Gross Amounts of Recognized Assets	351	218
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	351	218
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(97)	(71)
Cash Collateral	0	0
Securities Collateral	(249)	(142)
Net Amount	5	5
Total
Gross Amounts of Recognized Assets	8,371	9,457
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	8,371	9,457
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(5,077)	(5,665)
Cash Collateral	(1,243)	(1,554)
Securities Collateral	(1,854)	(2,112)
Net Amount	197	126
OTC
Derivatives:
Gross Amounts of Recognized Assets	7,772	9,126
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	7,772	9,126
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(4,889)	(5,566)
Cash Collateral	(1,243)	(1,554)
Securities Collateral	(1,605)	(1,970)
Net Amount	35	36
OTC cleared
Derivatives:
Gross Amounts of Recognized Assets	16	10
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	16	10
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(6)	(10)
Cash Collateral	0	0
Securities Collateral	0	0
Net Amount	10	0
Exchange-traded
Derivatives:
Gross Amounts of Recognized Assets	232	103
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	232	103
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(85)	(18)
Cash Collateral	0	0
Securities Collateral	0	0
Net Amount	$ 147	$ 85

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