v2.4.0.6
Delinquency Analysis by Loan Class (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current $ 11,296 $ 10,699
30-59 days past due 18 31
60-89 days past due 3 4
Greater than 90 days 42 48
Total past due 63 83
Total loans to banking clients 11,359 [1] 10,782 [1]
Residential real estate mortgages, first mortgages
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current 6,906 6,291
30-59 days past due 9 22
60-89 days past due 1 2
Greater than 90 days 29 33
Total past due 39 57
Total loans to banking clients 6,945 6,348
Residential real estate mortgages, purchased first mortgages
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current 151 154
30-59 days past due 2 1
Greater than 90 days 4 4
Total past due 6 5
Total loans to banking clients 157 159
Home equity lines of credit
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current 3,175 3,269
30-59 days past due 7 5
60-89 days past due 2 2
Greater than 90 days 9 11
Total past due 18 18
Total loans to banking clients 3,193 3,287
Personal loans secured by securities
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current 1,035 963
Total loans to banking clients 1,035 963
Other
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current 29 22
30-59 days past due   3
Total past due   3
Total loans to banking clients $ 29 $ 25
[1] All loans are evaluated for impairment by loan segment.