CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (PARENTHETICAL) - USD ($) $ in Millions	Apr. 03, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 32	$ 34
Accumulated depreciation	$ 1,248	$ 1,208
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	1,000,000,000	1,000,000,000
Preferred Stock, Shares Issued	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, Shares Authorized	6,000,000,000	6,000,000,000
Common Stock, Shares, Issued	501,891,835	501,808,229
Common stock, shares outstanding	496,416,809	497,400,113
Treasury Stock, Shares	5,475,026	4,408,116