Derivative Financial Instruments - Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Treasury futures
Derivatives, Fair Value [Line Items]
Fair Value		$ (1)
Assets
Derivatives, Fair Value [Line Items]
Outstanding Notional	$ 5,779	4,925
Fair Value	55	125
Gain/(Loss)	(92)	119
Assets \| Loan sale commitments
Derivatives, Fair Value [Line Items]
Outstanding Notional	399	399
Fair Value	15	12
Gain/(Loss)	4	2
Assets \| IRLCs
Derivatives, Fair Value [Line Items]
Outstanding Notional	765	940
Fair Value	27	33
Gain/(Loss)	6	11
Assets \| LPCs
Derivatives, Fair Value [Line Items]
Outstanding Notional	244	484
Fair Value	1	3
Gain/(Loss)	(1)	2
Assets \| Forward MBS trades
Derivatives, Fair Value [Line Items]
Outstanding Notional	1,801	1,056
Fair Value	9	18
Gain/(Loss)	(2)	35
Assets \| Treasury futures
Derivatives, Fair Value [Line Items]
Outstanding Notional	2,969	2,445
Fair Value	18	71
Gain/(Loss)	(95)	71
Liabilities
Derivatives, Fair Value [Line Items]
Outstanding Notional	4,366	1,742
Fair Value	(11)	(11)
Gain/(Loss)	(28)	(69)
Liabilities \| IRLCs
Derivatives, Fair Value [Line Items]
Outstanding Notional	2	25
Fair Value	0	0
Gain/(Loss)	0	0
Liabilities \| LPCs
Derivatives, Fair Value [Line Items]
Outstanding Notional	91	85
Fair Value	0	0
Gain/(Loss)	0	1
Liabilities \| Forward MBS trades
Derivatives, Fair Value [Line Items]
Outstanding Notional	3,930	1,439
Fair Value	(10)	(10)
Gain/(Loss)	(28)	(47)
Liabilities \| Treasury futures
Derivatives, Fair Value [Line Items]
Outstanding Notional	343	193
Fair Value	(1)
Gain/(Loss)	$ 0	$ (23)

Fair value of 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, not subject to a master netting arrangement.

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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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- Definition

Fair value of 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, not subject to a master netting arrangement.

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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

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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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