Offsetting Assets and Liabilities - Assets (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Derivatives:
Gross Amounts of Recognized Assets	$ 10,469	$ 9,239
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	10,469	9,239
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(6,750)	(5,594)
Cash Collateral	(1,386)	(1,554)
Securities Collateral	(2,085)	(1,970)
Net Amount	248	121
Securities borrowed
Gross Amounts of Recognized Assets	206	218
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	206	218
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(65)	(71)
Cash Collateral	0	0
Securities Collateral	(138)	(142)
Net Amount	3	5
Total
Gross Amounts of Recognized Assets	10,675	9,457
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	10,675	9,457
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(6,815)	(5,665)
Cash Collateral	(1,386)	(1,554)
Securities Collateral	(2,223)	(2,112)
Net Amount	251	126
OTC
Derivatives:
Gross Amounts of Recognized Assets	10,197	9,126
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	10,197	9,126
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(6,678)	(5,566)
Cash Collateral	(1,386)	(1,554)
Securities Collateral	(2,085)	(1,970)
Net Amount	48	36
OTC cleared
Derivatives:
Gross Amounts of Recognized Assets	72	10
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	72	10
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(24)	(10)
Cash Collateral	0	0
Securities Collateral	0	0
Net Amount	48	0
Exchange-traded
Derivatives:
Gross Amounts of Recognized Assets	200	103
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Amounts of Assets Presented in the Consolidated Balance Sheets	200	103
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial Instruments	(48)	(18)
Cash Collateral	0	0
Securities Collateral	0	0
Net Amount	$ 152	$ 85

Fair value, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset. Excludes derivative not subject to master netting arrangement or similar agreement.

Name:	us-gaap_DerivativeAssetFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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