Goodwill and Other Intangible Assets - Narrative (Detail) (Finite-Lived Intangible Assets [Member], USD $) In Billions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Finite-Lived Intangible Assets [Member]
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Amortization expense for finite-lived intangible assets	$ 1.0	$ 1.2	$ 2.2	$ 2.5