Condensed Consolidating Statements Of Earnings (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 04, 2015	Sep. 28, 2014	Oct. 04, 2015	Sep. 28, 2014
Condensed Consolidating Financial Information [Line Items]
Revenue	$ 7,994	$ 7,751	$ 23,660	$ 22,490
Cost of sales	6,484	6,274	19,072	18,213
G&A	476	478	1,446	1,455
Operating earnings	1,034	999	3,142	2,822
Interest, net	(23)	(21)	(64)	(67)
Other, net	2	1	5	2
Earnings before income taxes	1,013	979	3,083	2,757
Provision for income tax, net	280	285	882	821
Discontinued operations, net of tax	0	2	0	(104)
Equity in net earnings of subsidiaries	0	0	0	0
Net earnings	733	696	2,201	1,832
Comprehensive income	640	463	1,948	1,680
Parent Company [Member]
Condensed Consolidating Financial Information [Line Items]
Revenue	0	0	0	0
Cost of sales	1	(1)	(2)	8
G&A	9	16	33	44
Operating earnings	(10)	(15)	(31)	(52)
Interest, net	(23)	(21)	(66)	(68)
Other, net	2	(2)	3	(4)
Earnings before income taxes	(31)	(38)	(94)	(124)
Provision for income tax, net	(47)	(8)	(88)	(31)
Discontinued operations, net of tax		2		(104)
Equity in net earnings of subsidiaries	717	724	2,207	2,029
Net earnings	733	696	2,201	1,832
Comprehensive income	640	463	1,948	1,680
Guarantor Subsidiaries [Member]
Condensed Consolidating Financial Information [Line Items]
Revenue	7,037	6,761	20,688	19,592
Cost of sales	5,729	5,512	16,765	15,943
G&A	399	397	1,196	1,165
Operating earnings	909	852	2,727	2,484
Interest, net	(1)	(4)	(2)	(4)
Other, net	0	2	2	5
Earnings before income taxes	908	850	2,727	2,485
Provision for income tax, net	296	268	884	788
Discontinued operations, net of tax		0		0
Equity in net earnings of subsidiaries	0	0	0	0
Net earnings	612	582	1,843	1,697
Comprehensive income	613	570	1,850	1,680
Non-Guarantor Subsidiaries [Member]
Condensed Consolidating Financial Information [Line Items]
Revenue	957	990	2,972	2,898
Cost of sales	754	763	2,309	2,262
G&A	68	65	217	246
Operating earnings	135	162	446	390
Interest, net	1	4	4	5
Other, net	0	1	0	1
Earnings before income taxes	136	167	450	396
Provision for income tax, net	31	25	86	64
Discontinued operations, net of tax		0		0
Equity in net earnings of subsidiaries	0	0	0	0
Net earnings	105	142	364	332
Comprehensive income	(33)	(120)	(59)	86
Consolidating Adjustments [Member]
Condensed Consolidating Financial Information [Line Items]
Revenue	0	0	0	0
Cost of sales	0	0	0	0
G&A	0	0	0	0
Operating earnings	0	0	0	0
Interest, net	0	0	0	0
Other, net	0	0	0	0
Earnings before income taxes	0	0	0	0
Provision for income tax, net	0	0	0	0
Discontinued operations, net of tax		0		0
Equity in net earnings of subsidiaries	(717)	(724)	(2,207)	(2,029)
Net earnings	(717)	(724)	(2,207)	(2,029)
Comprehensive income	$ (580)	$ (450)	$ (1,791)	$ (1,766)