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Contingent Liabilities and Guarantees - Additional Information (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2021 USD ($)
Written put options |
Commitments Contingencies And Guarantees [Line Items] |
Weighted average life of written put options | 2 years 4 months 24 days
Standby letters of credit |
Commitments Contingencies And Guarantees [Line Items] |
Remaining weighted-average life of standby letters of credit in years | 1 year 8 months 12 days
Recourse agreement with FNMA |
Commitments Contingencies And Guarantees [Line Items] |
Weighted-average remaining term for outstanding commercial mortgage loans in years | 7 years 9 months 18 days
Unpaid principal balance outstanding of loans sold | $ 19,600
Maximum potential amount of undiscounted future payments possibly required as percentage of principal balance of loans outstanding | 30.00%
Residential mortgage reserve |
Commitments Contingencies And Guarantees [Line Items] |
Unpaid principal balance outstanding of loans sold | $ 8,800
Maximum potential amount of undiscounted future payments possibly required as percentage of principal balance of loans outstanding | 30.00%
Liability for estimated repurchase obligations on loans sold | $ 11
Minimum | Standby letters of credit |
Commitments Contingencies And Guarantees [Line Items] |
Remaining actual life of standby letters of credit | 1 year
Minimum | Low |
Commitments Contingencies And Guarantees [Line Items] |
Guarantee obligations, percentage | 0.00%
Minimum | Moderate |
Commitments Contingencies And Guarantees [Line Items] |
Guarantee obligations, percentage | 30.00%
Minimum | High |
Commitments Contingencies And Guarantees [Line Items] |
Guarantee obligations, percentage | 70.00%
Maximum | Standby letters of credit |
Commitments Contingencies And Guarantees [Line Items] |
Remaining actual life of standby letters of credit | 13 years 8 months 12 days
Maximum | Low |
Commitments Contingencies And Guarantees [Line Items] |
Guarantee obligations, percentage | 30.00%
Maximum | Moderate |
Commitments Contingencies And Guarantees [Line Items] |
Guarantee obligations, percentage | 70.00%

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- Definition Guarantor Obligations, Maximum Exposure, Undiscounted as Percentage of Total Loans Outstanding + References No definition available. + Details
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- Definition Remaining actual life letters of credit. + References No definition available. + Details
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- Definition Weighted-average remaining term for outstanding commercial mortgage loans. + References No definition available. + Details
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- Definition Amount to be repaid to the counterparty to the repurchase agreement when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under the repurchase agreement exceeds 10 percent of total assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(i)(A)(ii)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition Indicates, if estimable, (as a percentage) the approximate extent to which the proceeds from liquidation of any assets held either as collateral or by third parties would be expected to cover the maximum potential amount of future payments under the guarantee or each group of similar guarantees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248 + Details
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- Definition Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121559207&loc=d3e25383-109308 + Details
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