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Non-Interest Revenue and Expense Detail (Details 1) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016
Details Of Certain Statements Of Income Lines Details [Abstract] |  |
Global Network Services partner revenues | $ 156 | $ 145
Other | 253 | 341
Total other revenues | $ 409 | $ 486

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- Definition Represents revenues received from Global Network Service partners on use of the American Express brand name. + References No definition available. + Details
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- Definition Amount of revenue earned, classified as other, excluding interest income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-03(1)(e)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20187-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(4)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 + Details
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