Annual report pursuant to Section 13 and 15(d)

Rollforward of Allowance for Credit Losses on Finance Receivables (Detail)

v2.4.0.6
Rollforward of Allowance for Credit Losses on Finance Receivables (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Financing Receivable, Allowance for Credit Losses [Line Items]    
Beginning Balance $ 20 $ 31
Provisions charged to operations 4 10
Charge-offs, net of recoveries (8) (21)
Ending Balance $ 16 $ 20