Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance, at Dec. 31, 2014	$ 11,829	$ 482	$ 2,548	$ 21,127	$ (9,396)	$ (2,932)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	716	0	0	716	0	0
Cash dividends declared	(228)	0	0	(228)	0	0
Equity-based awards	121	0	40	0	81	0
Shares purchased	(634)	0	0	0	(634)	0
Other comprehensive income	(284)	0	0	0	0	(284)
Balance, at Apr. 05, 2015	11,520	482	2,588	21,615	(9,949)	(3,216)
Balance, at Dec. 31, 2015	10,738	482	2,730	23,204	(12,392)	(3,286)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	717	0	0	717	0	0
Cash dividends declared	(234)	0	0	(234)	0	0
Equity-based awards	55	0	10	0	45	0
Shares purchased	(1,039)	0	0	0	(1,039)	0
Other comprehensive income	345	0	0	0	0	345
Balance, at Apr. 03, 2016	$ 10,582	$ 482	$ 2,740	$ 23,687	$ (13,386)	$ (2,941)