Derivative Instruments And Hedging Activities - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2017	Dec. 31, 2016	Apr. 03, 2016	Dec. 31, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Notional forward foreign exchange contracts outstanding	$ 6,200	$ 6,300
Average maturity of foreign currency forward contracts, in years	3 years
Fair value hedges	$ 0	0
Net investment hedges	0	0
Cash and equivalents	$ 2,168	$ 2,334	$ 1,907	$ 2,785
Maximum
Derivative Instruments, Gain (Loss) [Line Items]
Maturity of fixed-income securities, in years	5 years