Fair Value Disclosures - Fair Value Option (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Fair Value Disclosures
Loans Receivable, Fair Value Disclosure	$ 17	$ 18
Loans Held for Sale, Fair Value	1,911	1,065
UPB	1,883	1,056
Difference	28	9
Trading loans
Fair Value Disclosures
Trading Loans, Fair Value	1,869	1,960
UPB	1,989	2,101
Difference	(120)	(141)
Loans and leases
Fair Value Disclosures
Loans Receivable, Fair Value Disclosure	17	18
UPB	19	20
Difference	$ (2)	$ (2)

This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected.

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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

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- Definition

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

+ References

No definition available.

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

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- Definition

This is the principal amount outstanding for loans which are in the process of being securitized as of the date of the statement of financial position (across all types of loans).

+ References

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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