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12/31/2010
USD ($)
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12/31/2009
USD ($)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
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12/31/2010
USD ($)
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12/31/2009
USD ($)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 22
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 19
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 12
-Subparagraph b
Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 86-40
Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 13
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 16
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 3
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 13, 137
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 12
-Subparagraph b
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 16
Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 22
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
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12/31/2010
USD ($)
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12/31/2009
USD ($)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph a
falsefalse60false0axp_FairValueLiabilitiesMeasuredOnRecurringBasisaxpfalsecreditinstantTotal financial liabilities measured at fair value on a recurring basis by GAAP's valuation hierarchy.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse00falsetruefalsefalsefalse2truefalsefalse00falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal financial liabilities measured at fair value on a recurring basis by GAAP's valuation hierarchy.No authoritative reference available.truefalse1Refer to Note 6 for the fair values of investment securities on a further disaggregated basis. 2 As a result of new GAAP effective January 1, 2010, the Company no longer presents the retained subordinated securities and interest-only strip within its Consolidated
Financial Statements in periods subsequent to December 31, 2009. Refer to Note 7 for further details.securities and interest-only strip within its Consolidated Financial Statements in periods subsequent to December 31, 2009. Refer to Note 7 for further details.3Refer to Note 12 for the fair values of derivative assets and liabilities on a further disaggregated basis. While derivative assets and derivative liabilities are presented gross in the table above, GAAP permits the netting of derivative assets and derivative liabilities
when a legally enforceable master netting agreement exists between the Company and its derivative counterparty. As of December 31, 2010 and 2009, $18 million and
$33 million, respectively, of derivative assets and liabilities have been offset and presented net on the Consolidated Balance Sheets.248Fair Values (Details) (USD $)NoRoundingUnKnownUnKnownUnKnownfalsetrue
