Other Financial Data (Other Liabilities) (Details) - USD ($) $ in Millions	Apr. 02, 2016	Dec. 31, 2015
Other Liabilities [Abstract]
Defined benefit plans	$ 1,511	$ 1,512
Postretirement Health Care Benefit Plan	46	49
Deferred revenue	113	113
Unrecognized tax benefits	42	50
Deferred income taxes	141	0
Deferred consideration	82	0
Other	196	180
Other liabilities	$ 2,131	$ 1,904