Loans - By Portfolio Segment (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Loan balances by portfolio segment:
Retained loans	$ 1,084,850	$ 1,018,397	$ 1,089,598
Held-for-sale	5,500		3,970
Loans at fair value	38,546		42,079
Total	1,128,896		1,135,647
Accrued interest receivables	5,300		5,200
Accrued interest receivables written off	11	12
Consumer, excluding credit card
Loan balances by portfolio segment:
Retained loans	300,447	296,161	300,753
Held-for-sale	572		618
Loans at fair value	10,414		10,004
Total	311,433		311,375
Credit card
Loan balances by portfolio segment:
Retained loans	180,079		185,175
Held-for-sale	0		0
Loans at fair value	0		0
Total	180,079		185,175
Wholesale
Loan balances by portfolio segment:
Retained loans	604,324	$ 569,953	603,670
Held-for-sale	4,928		3,352
Loans at fair value	28,132		32,075
Total	$ 637,384		$ 639,097

Financing Receivable, Excluding Accrued Interest, Before Allowance For Credit Losses, Net of Deferred Income

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- Definition

Amount, before allowance for credit loss, of accrued interest on financing receivable.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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Amount of writeoff of accrued interest on financing receivable recognized by reversing interest income.

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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

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-Publisher FASB
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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.

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Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.

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