Changes in Outstanding Stock Option Program Awards (Detail) (USD $)	12 Months Ended
	Dec. 28, 2012		Dec. 30, 2011	Dec. 31, 2010
Number of Marriott Stock Options (in millions)
Granted	255,761		19,192	53,304
Outstanding ending balance	9,500,000
Weighted Average Exercise Price (per Option)
Granted (per unit)	$ 12		$ 15	$ 10
Outstanding ending balance (per unit)	$ 19
Employee Stock Option
Number of Marriott Stock Options (in millions)
Outstanding beginning balance	16,400,000
Granted	300,000	[1]
Exercised	(7,200,000)
Forfeited	0
Outstanding ending balance	9,500,000	[2]
Weighted Average Exercise Price (per Option)
Outstanding beginning balance (per unit)	$ 17
Granted (per unit)	$ 35	[1]
Exercised (per unit)	$ 15
Forfeited (per unit)	$ 18
Outstanding ending balance (per unit)	$ 19	[2]
Vesting period	4 years
Employee Stock Option | MVW Employee
Number of Marriott Stock Options (in millions)
Outstanding ending balance	200,000
Employee Stock Option | Key Employee
Number of Marriott Stock Options (in millions)
Granted	200,000
Weighted Average Exercise Price (per Option)
Vesting period	3 years

[1] Included in these stock options are 0.2 million granted to key employees that vest 100% at the end of three years.

[2] Includes 0.2 million Marriott stock options held by MVW employees.