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Earnings Per Common Share (EPS) (Details 1) (USD $) In Millions, except Share data, unless otherwise specified | 3 Months Ended
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Mar. 31, 2015
Preferred Shares [Line Items] |
Securities issued | 1,600 us-gaap_PreferredStockSharesIssued
Series B |
Preferred Shares [Line Items] |
Issuance date | Nov. 10, 2014
Securities issued | 750 us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember
Depositary shares issued | 750,000 axp_Depositarysharesissued / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember
Aggregate liquidation preference | $ 750 us-gaap_PreferredStockLiquidationPreferenceValue / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember
Fixed dividend rate per annum | 5.20%us-gaap_PreferredStockDividendRatePercentage / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember
Semi annual fixed dividend, payment dates | Beginning May 15, 2015
Floating dividend rate per annuam | 3 month LIBOR+ 3.428%
Quarterly floating dividend, payment dates | Beginning February 15, 2020
Fixed to floating rate, conversion date | Nov. 15, 2019
Series C |
Preferred Shares [Line Items] |
Issuance date | Mar. 02, 2015
Securities issued | 850 us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesCPreferredStockMember
Depositary shares issued | 850,000 axp_Depositarysharesissued / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesCPreferredStockMember
Aggregate liquidation preference | $ 850 us-gaap_PreferredStockLiquidationPreferenceValue / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesCPreferredStockMember
Fixed dividend rate per annum | 4.90%us-gaap_PreferredStockDividendRatePercentage / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesCPreferredStockMember
Semi annual fixed dividend, payment dates | Beginning September 15, 2015
Floating dividend rate per annuam | 3 month LIBOR+ 3.285%
Quarterly floating dividend, payment dates | Beginning June 15, 2020
Fixed to floating rate, conversion date | Mar. 15, 2020

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- Definition Total number of depositary shares issued + References No definition available. + Details
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- Definition The date on which dividends convert from a fixed rate calculation to a floating rate calculation. + References No definition available. + Details
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- Definition Description of basis of dividend, such as adjustable rate. Excludes percentage rate dividend payments or fixed dollar amounts per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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