XML 88 R135.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Significant Credit Concentrations (Details Textuals) | 12 Months Ended
--- | ---
Dec. 31, 2013
Significant Credit Concentrations (Textuals) [Abstract] |
Percentage of worldwide billed business | 5.00%
Percentage of worldwide Card Member lending receivables | 15.00%

X
- Definition Represents the percentage of the Company's worldwide billed business that is generated from the Company's Delta SkyMiles Credit Card co-brand portfolio accounts. + References No definition available. + Details
Name: | axp_CoBrandPortfolioAccountPercentageOfWorldwideBilledBusiness
Namespace Prefix: | axp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of the Company's worldwide Card Member lending receivables that are attributable to the Company's Delta SkyMiles Credit Card co-brand portfolio accounts. + References No definition available. + Details
Name: | axp_CoBrandPortfolioAccountPercentageOfWorldwideCardMemberLendingReceivables
Namespace Prefix: | axp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | axp_SignificantCreditConcentrationsTextualsAbstract
Namespace Prefix: | axp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration