Depreciation and Amortization (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 30, 2011	Dec. 31, 2010	Jan. 01, 2010
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 168	$ 178	$ 185
Total Reportable Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	119	129	135
North American Full-Service Segment
Segment Reporting Information [Line Items]
Depreciation and amortization	28	31	33
North American Limited-Service Segment
Segment Reporting Information [Line Items]
Depreciation and amortization	22	19	18
International Segment
Segment Reporting Information [Line Items]
Depreciation and amortization	22	24	25
Luxury Segment
Segment Reporting Information [Line Items]
Depreciation and amortization	19	19	17
Former Timeshare Segment
Segment Reporting Information [Line Items]
Depreciation and amortization	28	36	42
Other Unallocated Corporate
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 49	$ 49	$ 50