Condensed Consolidating Financial Statements Condensed Consolidating Statements Of Earnings (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2017	Jul. 03, 2016	Jul. 02, 2017	Jul. 03, 2016
Revenue:
Revenue	$ 7,675	$ 7,774	$ 15,116	$ 15,250
Operating costs and expenses:
Cost of sales	6,114	6,262	12,039	12,353
General and administrative (G&A)	505	485	986	946
Operating earnings	1,056	1,027	2,091	1,951
Interest, net	(24)	(23)	(49)	(45)
Other, net	0	1	0	11
Earnings before income tax	1,032	1,005	2,042	1,917
Provision for income tax, net	283	291	530	549
Discontinued operations, net of tax			0	(13)
Equity in net earnings of subsidiaries	0	0	0	0
Net earnings	749	714	1,512	1,355
Comprehensive income	1,089	693	1,977	1,678
Consolidating Adjustments
Revenue:
Revenue	0	0	0	0
Operating costs and expenses:
Cost of sales	0	0	0	0
General and administrative (G&A)	0	0	0	0
Operating earnings	0	0	0	0
Interest, net	0	0	0	0
Other, net		0		0
Earnings before income tax	0	0	0	0
Provision for income tax, net	0	0	0	0
Discontinued operations, net of tax				0
Equity in net earnings of subsidiaries	(759)	(720)	(1,487)	(1,375)
Net earnings	(759)	(720)	(1,487)	(1,375)
Comprehensive income	(1,069)	(671)	(1,893)	(1,637)
Parent Company
Revenue:
Revenue	0	0	0	0
Operating costs and expenses:
Cost of sales	0	(2)	(3)	2
General and administrative (G&A)	13	9	24	20
Operating earnings	(13)	(7)	(21)	(22)
Interest, net	(23)	(23)	(47)	(46)
Other, net		1		10
Earnings before income tax	(36)	(29)	(68)	(58)
Provision for income tax, net	(26)	(23)	(93)	(51)
Discontinued operations, net of tax				(13)
Equity in net earnings of subsidiaries	759	720	1,487	1,375
Net earnings	749	714	1,512	1,355
Comprehensive income	1,089	693	1,977	1,678
Guarantor Subsidiaries
Revenue:
Revenue	6,732	6,808	13,276	13,407
Operating costs and expenses:
Cost of sales	5,400	5,514	10,641	10,905
General and administrative (G&A)	416	402	810	781
Operating earnings	916	892	1,825	1,721
Interest, net	0	0	0	0
Other, net		0		1
Earnings before income tax	916	892	1,825	1,722
Provision for income tax, net	301	287	594	549
Discontinued operations, net of tax				0
Equity in net earnings of subsidiaries	0	0	0	0
Net earnings	615	605	1,231	1,173
Comprehensive income	642	602	1,259	1,168
Non-Guarantor Subsidiaries
Revenue:
Revenue	943	966	1,840	1,843
Operating costs and expenses:
Cost of sales	714	750	1,401	1,446
General and administrative (G&A)	76	74	152	145
Operating earnings	153	142	287	252
Interest, net	(1)	0	(2)	1
Other, net		0		0
Earnings before income tax	152	142	285	253
Provision for income tax, net	8	27	29	51
Discontinued operations, net of tax				0
Equity in net earnings of subsidiaries	0	0	0	0
Net earnings	144	115	256	202
Comprehensive income	$ 427	$ 69	$ 634	$ 469