Additional Information on RSUs (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 28, 2012		Dec. 30, 2011	Dec. 31, 2010
Reconciliation of Restricted Stock Activity [Line Items]
Share-based compensation expense (in millions)	$ 77.0		$ 86.0	$ 90.0
Restricted Stock Units
Reconciliation of Restricted Stock Activity [Line Items]
Share-based compensation expense (in millions)	66.0		73.0	76.0
Weighted average grant-date fair value (per unit)	$ 35	[1]	$ 40	$ 27
Aggregate intrinsic value of converted and distributed Marriott RSUs (in millions)	$ 91		$ 113	$ 79

[1] Includes 0.2 million S&P RSUs granted to named executive officers.