The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations.

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The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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- Definition

Describe the approximate term of the guarantee or each group of similar guarantees.

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-Publisher FASB
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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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- Definition

Guarantee obligations collateral held.

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Guarantees and contingent liabilities.

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Interest in unconsolidated trusts.

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- Definition

Loss contingency pending claims amount.

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- Definition

Number of shares sold.

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Remaining shares held by the company.

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Value of airline tickets purchased to deliver at future date through card transactions.

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Guarantees and Contingent Liabilities - Additional Information (Detail) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Guarantees And Contingent Liabilities (Textual) [Abstract]
Rental expense for operating leases	$ 351	$ 338	$ 326
Securities Lending Indemnifications [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Maximum Potential Future Payments	3,600
Collateral Held	3,666
Tender Option Bond Program Guarantee [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Maximum Potential Future Payments	2,332
Collateral Held	2,399
Minimum Revenue Guarantees [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Maximum Potential Future Payments	4
Standby Letters of Credit [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Maximum Potential Future Payments	$ 11,305
Weighted-average term of standby letter of credit arrangements	20 months
Carrying Amount	$ 54
Third Party Borrowing Arrangements [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Maximum Potential Future Payments	7
Asset Sales [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Maximum Potential Future Payments	7,508
Carrying Amount	117
Merchant Processing [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Maximum Potential Future Payments	103,273
Carrying Amount	47
Collateral Held	647
Representation and Warranty [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Carrying Amount	10	13
Unresolved representation and warranty claims from GSEs	15	$ 9
Airline Processing Arrangements [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Value of airline tickets purchased to deliver at future date through card transactions	7,100
Tax Advantaged Investments Sales [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Carrying Amount	126
Unresolved Merchant Charge-backs [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Carrying Amount	12
Collateral Held	174
Escrow Deposits Letters of Credit Indemnities [Member] \| Airline Processing Arrangements [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Collateral Held	473
Merchant Escrow Deposits [Member] \| Airline Processing Arrangements [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Collateral Held	35
Wholly Owned Unconsolidated Trust [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Maximum Potential Future Payments	$ 681
Percentage of common equity in wholly owned USB Capital IX	100.00%
Total assets of trust consisting primarily of Series A Preferred Stock	$ 682
Subsidiaries Financial Performance [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Maximum Potential Future Payments	$ 687
Visa Class B Shares [Member]
Guarantees And Contingent Liabilities (Textual) [Abstract]
Number of shares sold	1.4
Remaining shares held by the Company	1.3