Loans and Allowance for Loan Losses - Transfers From Loans Held-For-Investment to Loans Held-For-Sale (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized Cost of LHFI	$ 114
Loan Charge-off	0
Additional Allowance for Loan Losses Reversed	0
Amortized Cost of LHFS	114
Valuation Allowance Established	0
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized Cost of LHFI	114
Loan Charge-off	0
Additional Allowance for Loan Losses Reversed	0
Amortized Cost of LHFS	114
Valuation Allowance Established	$ 0

Financing Receivable, Transfer to Held-For-Sale, Amortized Cost Of Loans Held-For-Sale

No definition available.

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- Definition

Financing Receivable, Transfer to Held-For-Sale, Valuation Allowance Established

+ References

No definition available.

+ Details

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- Definition

Financing Receivable, Transfer to Held-for-Sale, Allowance for Credit Loss, Expense Reversal

+ References

No definition available.

+ Details

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- Definition

Financing Receivable, Transfer to Held-for-Sale, Amortized Cost Of Loans Held For Investment

+ References

No definition available.

+ Details

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- Definition

Financing Receivable, Transfer to Held-for-Sale, Loan Charge-Off

+ References

No definition available.

+ Details

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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

No definition available.

+ Details

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