2.2.0.25truefalse0613 - Disclosure - Guarantees (Details)truefalsefalse1falsefalseUSDfalsefalse12/31/2010
USD ($)
$BalanceAsOf_31Dec2010http://www.sec.gov/CIK0000004962instant2010-12-31T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2falsefalseUSDfalsefalse12/31/2009
USD ($)
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-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 45
-Paragraph 13
-Subparagraph b
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 45
-Paragraph 13
-Subparagraph c
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12/31/2010
USD ($)
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12/31/2009
USD ($)
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-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 45
-Paragraph 13
-Subparagraph b
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 45
-Paragraph 13
-Subparagraph c
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12/31/2010
USD ($)
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12/31/2009
USD ($)
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-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 45
-Paragraph 13
-Subparagraph b
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 45
-Paragraph 13
-Subparagraph c
falsefalse1Represents the notional amounts that could be lost under the guarantees and indemnifications if there were a total default by the guaranteed parties. The Merchant Protection guarantee is calculated using management's best estimate of maximum exposure based on all eligible claims as measured against annual billed business volumes.2Included as part of other liabilities on the Company's Consolidated Balance Sheets. 3Includes Credit Card Registry, Return Protection, Account Protection and Merchant Protection, which the Company offers directly to cardmembers. 4Primarily includes guarantees related to the Company's business dispositions, real estate, and tax, as well as contingent consideration obligations, each of which are individually smaller indemnifications.211Guarantees (Details) (USD $)NoRoundingUnKnownUnKnownUnKnownfalsetrue
