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Asset Securitizations (Details Textuals) (USD $) | Sep. 30, 2011 | Dec. 31, 2010
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American Express Travel Related Services Company Inc [Member] |  |
Securitized Trusts [Line Items] |  |
Subordinated securities owned | $ 1,000,000,000 |
American Express Charge Trust [Member] |  |
Securitized Trusts [Line Items] |  |
Restricted cash held by Trusts | 10,000,000 | 9,000,000
American Express Lending Trust [Member] |  |
Securitized Trusts [Line Items] |  |
Restricted cash held by Trusts | $ 113,000,000 | $ 3,700,000,000

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Balance Type: | na
Period Type: | duration

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- Definition Represents subordinated interests in the securitized cardmember loans, including rated and unrated investments in tranches of the securitization (subordinated securities). + Details
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Chapter 4 -Paragraph 80 -Subparagraph Exhibit 4-8, 3 -IssueDate 2006-05-01 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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