Components of Net Periodic Pension Cost (Benefit) (Detail) - North America - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 7	$ 3	$ 3
Interest cost	45	46	52
Expected return on plan assets	(55)	(56)	(62)
Net periodic cost (benefit)	(3)	(7)	(7)
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Interest cost	1	1	1
Net periodic cost (benefit)	$ 1	$ 1	$ 1