Recorded Investment in Non-accrual Notes Receivable that are Ninety Days or More Past Due (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 22, 2013	Mar. 23, 2012	Dec. 28, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
Investment in notes receivable on non-accrual status	$ 83		$ 84
Average investment in notes receivable on non-accrual status	84	103
Non-Securitized Vacation Ownership Notes Receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Investment in notes receivable on non-accrual status	74		73
Average investment in notes receivable on non-accrual status	74	90
Securitized Vacation Ownership Notes Receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Investment in notes receivable on non-accrual status	9		11
Average investment in notes receivable on non-accrual status	$ 10	$ 13