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- References

No definition available.

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This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (d)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-28

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This item represents the aggregate fair value of loans held as assets that are 90 days or more past due for which the fair value option has been elected.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (e)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-28

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This item represents the aggregate fair value of loans held as assets that are in nonaccrual status for which the fair value option has been elected, if the entity's policy is to recognize interest income separately from other changes in fair value.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (e)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-28

Name:	us-gaap_FairValueOptionLoansHeldAsAssetsAggregateAmountInNonaccrualStatus
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Fair value portion of mortgage loans held-for-sale.

No definition available.

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Fair Value Option Loans Held As Assets Aggregate Amount In Nonaccrual Status Aggregate Unpaid Principal

No definition available.

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Fair Value Option Loans Held As Assets Contractual Principal

No definition available.

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Fair Value Option Loans Held As Assets Ninety Days Or More Past Due Aggregate Unpaid Principal

No definition available.

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Namespace Prefix:	usb_
Data Type:	xbrli:monetaryItemType
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Fair value option time deposits carrying amount over under contractual principal outstanding.

No definition available.

Name:	usb_FairValueOptionTimeDepositsCarryingAmountOverUnderContractualPrincipalOutstanding
Namespace Prefix:	usb_
Data Type:	xbrli:monetaryItemType
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Fair value option time deposits contractual principal outstanding.

No definition available.