Derivative Instruments And Hedging Activities - Additional Information (Details) - USD ($)	6 Months Ended
	Jul. 02, 2017	Dec. 31, 2016	Jul. 03, 2016	Dec. 31, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Notional forward foreign exchange contracts outstanding	$ 6,600,000,000	$ 6,300,000,000
Average maturity of foreign currency forward contracts, in years	3 years
Fair value hedges	$ 0	0
Net investment hedges	0	0
Cash and equivalents	1,856,000,000	$ 2,334,000,000	$ 1,899,000,000	$ 2,785,000,000
Marketable securities held	$ 0
Maximum
Derivative Instruments, Gain (Loss) [Line Items]
Maturity of fixed-income securities, in years	5 years