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Receivables - Narrative (Detail)
6 Months Ended
Dec. 31, 2010
Insurance and Other [Member]
Trade and Other Receivables [Member]
Swiss Reinsurance Company Limited [Member]
USD ($)
Dec. 31, 2010
Insurance and Other [Member]
Trade and Other Receivables [Member]
Swiss Reinsurance Company Limited [Member]
CHF
Jun. 30, 2011
Finance and Financial Products [Member]
Consumer installment loans and finance receivables [Member]
USD ($)
Jun. 30, 2010
Finance and Financial Products [Member]
Consumer installment loans and finance receivables [Member]
USD ($)
Dec. 31, 2010
Finance and Financial Products [Member]
Consumer installment loans and finance receivables [Member]
USD ($)
Jun. 30, 2011
Finance and Financial Products [Member]
Commercial loans And finance receivables [Member]
Jun. 30, 2011
Finance and Financial Products [Member]
Loans and finance receivables [Member]
Receivables [Line Items]              
Capital instrument remaining amount to be received $ 3,900,000,000 3,700,000,000          
Provisions for consumer loan losses     161,000,000 178,000,000      
Loan charge-offs, net of recoveries     160,000,000 176,000,000      
Acquisition discounts on consumer loans     $ 550,000,000   $ 580,000,000    
Percent of loan balances evaluated collectively for impairment     96.00%        
Percent of loan balances evaluated individually for impairment           84.00%  
Percent of loan balances that are performing             98.00%
Percent of loan balances that are current as to payment status             93.00%