Property and Equipment - Additional Information (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 09, 2011	Sep. 10, 2010	Sep. 09, 2011	Sep. 10, 2010
Impaired Assets [Line Items]
Timeshare strategy-impairment charges	$ 324	$ 0	$ 324	$ 0
Timeshare Segment
Impaired Assets [Line Items]
Timeshare strategy-impairment charges	324
Timeshare strategy impairment, reclass	57
Timeshare Segment | Property and Equipment
Impaired Assets [Line Items]
Timeshare strategy-impairment charges	$ 68