Composition of Vacation Ownership Notes Receivable Balances, Net of Reserves (Detail) (USD $) In Millions, unless otherwise specified	Mar. 22, 2013		Dec. 28, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Vacation ownership notes receivable	$ 1,016		$ 1,056
Securitized Vacation Ownership Notes Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Vacation ownership notes receivable	745		727
Eligible for Securitization
Accounts, Notes, Loans and Financing Receivable [Line Items]
Vacation ownership notes receivable	84	[1]	127	[1]
Not Eligible for Securitization
Accounts, Notes, Loans and Financing Receivable [Line Items]
Vacation ownership notes receivable	187	[1]	202	[1]
Non-Securitized Vacation Ownership Notes Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Vacation ownership notes receivable	$ 271		$ 329

[1] Refer to Footnote No. 4, "Financial Instruments," for discussion of eligibility of our vacation ownership notes receivable.