Variable Interest Entities and Securitization Activities - Transferred Assets with Continuing Involvement (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Variable Interest Entity
Derivative assets	$ 44,806	$ 36,790
Derivative liabilities	45,858	42,025
SPE
Variable Interest Entity
Interests purchased in the secondary market	223	220
Derivative assets	1,712	1,522
Derivative liabilities	722	733
SPE \| Investment grade
Variable Interest Entity
Interests purchased in the secondary market	167	176
SPE \| Non-investment grade
Variable Interest Entity
Interests purchased in the secondary market	56	44
SPE \| RML
Variable Interest Entity
SPE assets (UPB)	16,467	15,089
Retained interests	826	748
Interests purchased in the secondary market	110	76
Derivative assets	0	0
Derivative liabilities	0	0
SPE \| RML \| Investment grade
Variable Interest Entity
Retained interests	286	288
Interests purchased in the secondary market	97	62
SPE \| RML \| Non-investment grade
Variable Interest Entity
Retained interests	540	460
Interests purchased in the secondary market	13	14
SPE \| CML
Variable Interest Entity
SPE assets (UPB)	88,320	84,729
Retained interests	1,609	1,587
Interests purchased in the secondary market	83	92
Derivative assets	0	0
Derivative liabilities	0	0
SPE \| CML \| Investment grade
Variable Interest Entity
Retained interests	504	456
Interests purchased in the secondary market	50	62
SPE \| CML \| Non-investment grade
Variable Interest Entity
Retained interests	1,105	1,131
Interests purchased in the secondary market	33	30
SPE \| U.S. Agency CMO
Variable Interest Entity
SPE assets (UPB)	14,017	18,230
Retained interests	858	1,127
Interests purchased in the secondary market	20	52
Derivative assets	0	0
Derivative liabilities	0	0
SPE \| U.S. Agency CMO \| Investment grade
Variable Interest Entity
Retained interests	858	1,127
Interests purchased in the secondary market	20	52
SPE \| U.S. Agency CMO \| Non-investment grade
Variable Interest Entity
Retained interests	0	0
Interests purchased in the secondary market	0	0
SPE \| CLN and Other
Variable Interest Entity
SPE assets (UPB)	13,787	13,312
Retained interests	107	123
Interests purchased in the secondary market	10	0
Derivative assets	1,712	1,522
Derivative liabilities	722	733
SPE \| CLN and Other \| Investment grade
Variable Interest Entity
Retained interests	0	0
Interests purchased in the secondary market	0	0
SPE \| CLN and Other \| Non-investment grade
Variable Interest Entity
Retained interests	107	123
Interests purchased in the secondary market	$ 10	$ 0

Fair value of interests purchased in the secondary market

No definition available.

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- Definition

The carrying value of an interest continued to be held by the transferor in a securitized financial instrument.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Principal amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets.

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