Types of Temporary Differences and Carry-Forwards that Significantly Effect Deferred Tax Assets and Liabilities (Detail) (USD $) In Millions, unless otherwise specified	Dec. 30, 2011	Dec. 31, 2010
Schedule of Deferred Income Tax Assets and Liabilities [Line Items]
Self-insurance	$ 20	$ 22
Employee benefits	295	296
Deferred income	15	18
Reserves	64	213
Frequent guest program	42	104
Joint venture interests	(8)	99
ASC 740 deferred taxes	5	5
Tax credits	281	235
Net operating loss carry-forwards	467	204
Timeshare financing	0	0
Property, equipment, and intangible assets	(10)	18
Other, net	28	(16)
Deferred taxes	1,199	1,198
Less: valuation allowance	(72)	(62)
Net deferred taxes	$ 1,127	$ 1,136