Components of Net Periodic Pension (Benefit) Cost (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Europe
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 2	$ 3	$ 6	$ 8
Expected return on plan assets	(3)	(4)	(10)	(11)
Net periodic pension benefit	(1)	(1)	(4)	(3)
North America
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	1	3	3
Interest cost	11	13	34	39
Expected return on plan assets	(14)	(16)	(42)	(47)
Net periodic pension benefit	$ (2)	$ (2)	$ (5)	$ (5)