Loans - By Portfolio Segment (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Loan balances by portfolio segment:
Retained loans	$ 1,089,598	$ 1,010,206	$ 960,506
Held-for-sale	3,970	8,688
At fair value	42,079	58,820
Total	1,135,647	1,077,714
Accrued interest receivables	5,200	2,700
Accrued interest receivables written off	39	56
Consumer, excluding credit card
Loan balances by portfolio segment:
Retained loans	300,753	295,556	302,127
Held-for-sale	618	1,287
At fair value	10,004	26,463
Total	311,375	323,306
Credit card
Loan balances by portfolio segment:
Retained loans	185,175	154,296
Held-for-sale	0	0
At fair value	0	0
Total	185,175	154,296
Wholesale
Loan balances by portfolio segment:
Retained loans	603,670	560,354	$ 514,947
Held-for-sale	3,352	7,401
At fair value	32,075	32,357
Total	$ 639,097	$ 600,112

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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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.

+ References

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-Publisher FASB
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-Topic 310
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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.

+ References

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