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Accounts Receivable and Loans (Details) (USD $)
Sep. 30, 2011
Dec. 31, 2010
Sep. 30, 2010
Dec. 31, 2009
Accounts receivable segment information    
Less: Cardmember reserve for losses$ 388,000,000$ 386,000,000$ 364,000,000$ 546,000,000
Cardmember receivables, net39,371,000,00036,880,000,000  
Other receivables, net3,517,000,0003,554,000,000  
Variable Interest Enterprise [Member] | U S Card Services [Member]
    
Accounts Receivable and Loans Textuals [Abstract]    
Gross cardmember receivables available to settle the obligations of a variable interest entity6,600,000,0007,700,000,000  
U S Card Services [Member]
    
Accounts receivable segment information    
Cardmember receivables, gross18,957,000,00019,155,000,000  
International Card Services [Member]
    
Accounts receivable segment information    
Cardmember receivables, gross6,746,000,0006,673,000,000  
Variable Interest Enterprise [Member] | Global Commercial Services [Member]
    
Accounts Receivable and Loans Textuals [Abstract]    
Gross cardmember receivables available to settle the obligations of a variable interest entity500,000,000500,000,000  
Global Commercial Services [Member]
    
Accounts receivable segment information    
Cardmember receivables, gross13,866,000,00011,259,000,000  
Global Network And Merchant Services [Member]
    
Accounts receivable segment information    
Cardmember receivables, gross190,000,000179,000,000  
Non United States [Member]
    
Accounts receivable segment information    
Cardmember receivables, gross12,600,000,00011,700,000,000  
Variable Interest Enterprise [Member]
    
Accounts receivable segment information    
Cardmember receivables, gross$ 7,115,000,000$ 8,192,000,000