Loans Held-for-Sale (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-sale	$ 5,054	$ 7,098
Net gain on loan sales	655	971	$ 335
Loans held-for-sale
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net gain on loan sales	655	969	$ 333
Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
LHFS after valuation allowance	116	30
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
LHFS after valuation allowance	$ 18	$ 57

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No definition available.

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The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.

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Amount, before valuation allowance, of financing receivable classified as held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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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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