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Accounts Receivable and Loans (Details Textuals) | 12 Months Ended
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Dec. 31, 2013 bp | Dec. 31, 2012 bp | Dec. 31, 2011 bp
Financing Receivable, Modifications [Line Items] |  |  |
Average basis point reduction in interest rate by class of Card Member loans | 1,000 | 1,200 | 1,100
Card Member Receivables [Member] | U S Card Services [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Average payment term extension | 12 | 13 | 15

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- Definition The average basis point reduction in interest rate by class of Card Member loan. + References No definition available. + Details
Name: | axp_AverageInterestRateReductionByClassOfCardMemberLoan
Namespace Prefix: | axp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The average period for payment term extension for Card Member receivables modified in a TDR. + References No definition available. + Details
Name: | axp_AveragePaymentTermExtension
Namespace Prefix: | axp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration