Variable Interest Entities and Securitization Activities - Transferred Assets with Continuing Involvement (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Variable Interest Entity
Derivative assets	$ 57,881	$ 38,154
Derivative liabilities	42,357	34,568
SPE
Variable Interest Entity
Interests purchased in the secondary market	353	264
Derivative assets	1,050	891
Derivative liabilities	185	284
SPE \| Investment grade
Variable Interest Entity
Interests purchased in the secondary market	258	169
SPE \| Non-investment grade
Variable Interest Entity
Interests purchased in the secondary market	95	95
SPE \| RML
Variable Interest Entity
SPE assets (UPB)	8,677	6,802
Retained interests	122	91
Interests purchased in the secondary market	99	56
Derivative assets	0	0
Derivative liabilities	0	0
SPE \| RML \| Investment grade
Variable Interest Entity
Retained interests	96	72
Interests purchased in the secondary market	55	18
SPE \| RML \| Non-investment grade
Variable Interest Entity
Retained interests	26	19
Interests purchased in the secondary market	44	38
SPE \| CML
Variable Interest Entity
SPE assets (UPB)	101,928	94,276
Retained interests	1,330	1,224
Interests purchased in the secondary market	114	171
Derivative assets	0	0
Derivative liabilities	0	0
SPE \| CML \| Investment grade
Variable Interest Entity
Retained interests	754	638
Interests purchased in the secondary market	65	118
SPE \| CML \| Non-investment grade
Variable Interest Entity
Retained interests	576	586
Interests purchased in the secondary market	49	53
SPE \| U.S. Agency CMO
Variable Interest Entity
SPE assets (UPB)	33,602	28,697
Retained interests	363	465
Interests purchased in the secondary market	134	33
Derivative assets	0	0
Derivative liabilities	0	0
SPE \| U.S. Agency CMO \| Investment grade
Variable Interest Entity
Retained interests	363	465
Interests purchased in the secondary market	134	33
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)	12,574	13,121
Retained interests	57	69
Interests purchased in the secondary market	6	4
Derivative assets	1,050	891
Derivative liabilities	185	284
SPE \| CLN and Other \| Investment grade
Variable Interest Entity
Retained interests	0	0
Interests purchased in the secondary market	4	0
SPE \| CLN and Other \| Non-investment grade
Variable Interest Entity
Retained interests	57	69
Interests purchased in the secondary market	$ 2	$ 4

Fair value of interests purchased in the secondary market

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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.

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- 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.

+ References

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-Publisher FASB
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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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