Restructuring and Other Special Charges (Details) (Schedule of Restructuring Activities and Related Liabilities) $ in Millions	6 Months Ended
	Jun. 27, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring reserve balance, beginning of period	$ 39
Restructuring charges (reversals), net	11
Cash payments	(23)
Non-cash charges (reversals), net	(3)
Restructuring reserve balance, end of period	24
Severance and Related Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring reserve balance, beginning of period	26
Restructuring charges (reversals), net	4
Cash payments	(19)
Non-cash charges (reversals), net	0
Restructuring reserve balance, end of period	11
Other Exit Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring reserve balance, beginning of period	13
Restructuring charges (reversals), net	7
Cash payments	(4)
Non-cash charges (reversals), net	(3)
Restructuring reserve balance, end of period	$ 13