Earnings Per Share Basic and Diluted (Loss)/Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Oct. 02, 2016	Jul. 03, 2016	Apr. 03, 2016	Jan. 03, 2016	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 31, 2016	Jan. 03, 2016	Dec. 28, 2014
Basic EPS
Net income/(loss) attributable to common shareholders	$ 944	$ 842	$ 770	$ 896	$ 285	$ (303)	$ (344)	$ 96	$ 3,452	$ (266)	$ (63)
Weighted average shares of common stock outstanding (in shares)									1,217	786	377
Basic earnings/(loss) per share (in dollars per share)	$ 0.78	$ 0.69	$ 0.63	$ 0.74	$ 0.23	$ (0.27)	$ (0.91)	$ 0.26	$ 2.84	$ (0.34)	$ (0.17)
Diluted EPS
Net earnings/(loss) attributable to common shareholders									$ 3,452	$ (266)	$ (63)
Effect of dilutive stock options on basic earnings/(loss) per common share (in shares)									9	0	0
Weighted average shares of common stock, including dilutive effect (in shares)									1,226	786	377
Diluted earnings/(loss) per share (in dollars per share)	$ 0.77	$ 0.69	$ 0.63	$ 0.73	$ 0.23	$ (0.27)	$ (0.91)	$ 0.24	$ 2.81	$ (0.34)	$ (0.17)