Receivables - Nonaccrual Receivables (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Nonaccrual receivables:
Criteria for nonaccrual status (Minimum days contractually delinquent)	90 days
Total nonaccrual receivables	$ 3,191		$ 5,193
Nonaccrual loans carried at lower of amortized cost of fair value less cost to sell but less than 90 days delinquent	953		1,497
Real Estate Secured [Member]
Nonaccrual receivables:
Nonaccrual real estate secured receivables carried at lower amortized cost or fair value	639		1,748
Real estate secured [Member]
Nonaccrual receivables:
Total nonaccrual receivables	1,769	[1]	3,032	[1]
Nonaccrual receivables held for sale [Member]
Nonaccrual receivables:
Total nonaccrual receivables	$ 1,422	[2]	$ 2,161	[2]

[1] At December 31, 2013 and December 31, 2012, nonaccrual real estate secured receivables held for investment include $639 million and $1,748 million, respectively, of receivables that are carried at the lower of amortized cost or fair value of the collateral less cost to sell.

[2] For a discussion of the movements between the components of nonaccrual receivables, see Note 7, "Receivables Held for Sale," which includes discussion of the transfer of real estate secured receivables that were carried at the lower of amortized cost or fair value of the collateral less cost to sell to held for sale during the second quarter of 2012 as well as discussion regarding the formal program introduced in the second quarter of 2013 to transfer receivables (meeting pre-determined criteria) to held for sale when the receivable is written down to the lower of amortized cost or fair value of the collateral less cost to sell in accordance with our existing charge-off policies.