Capital Expenditures (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 28, 2012
Segment Reporting Information [Line Items]
Capital expenditures	$ 411	$ 296	$ 437
Total segment
Segment Reporting Information [Line Items]
Capital expenditures	343	246	372
Total segment | North American Full-Service Segment
Segment Reporting Information [Line Items]
Capital expenditures	251	145	257
Total segment | North American Limited-Service Segment
Segment Reporting Information [Line Items]
Capital expenditures	5	8	19
Total segment | International Segment
Segment Reporting Information [Line Items]
Capital expenditures	87	93	96
Other unallocated corporate
Segment Reporting Information [Line Items]
Capital expenditures	$ 68	$ 50	$ 65