Variable Interest Entities - Loans Sold to Third-Party Sponsored Securitization Entities (Details) - Nonconsolidated entities - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Summary of loan sale activities
Carrying value of loans sold	$ 7,502	$ 7,132	$ 22,016	$ 18,298
Proceeds received from loan sales as cash	387	385	1,165	751
Proceeds from loans sales as securities	7,033	6,695	20,619	17,386
Total proceeds received from loan sales	7,420	7,080	21,784	18,137
Gains/(losses) on loan sales	$ 0	$ 0	$ 0	$ 0

Proceeds received from the sale of originated and purchased mortgage loans.

No definition available.

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- Definition

Securities proceeds received from the sale of originated and purchased mortgage loans.

+ References

No definition available.

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- Definition

Summary Of Loan Sale Activities.

+ References

No definition available.

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- Definition

The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

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- Definition

Mortgage loan related to property sales in noncash investing and financing activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future.

+ References

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