|
Transfers of Financial Assets - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
Transactions
|
Mar. 31, 2014
|
|
| Transfers and Servicing [Abstract] | ||
| Number of securitization transactions in which company has variable interest | 4 | |
| Principal amount of repurchased or replaced defaulted VOI notes receivable | $ 3 | $ 4 |
| Obligation to receive cash flows from VIE | $ 8 | $ 11 |