Condensed Consolidating Statements Of Earnings (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Condensed Consolidating Financial Information [Line Items]
Revenues	$ 7,474	$ 7,834	$ 14,739	$ 15,148
Cost of sales	6,039	6,359	11,939	12,335
G&A	486	514	977	1,009
Operating earnings	949	961	1,823	1,804
Interest, net	(24)	(18)	(46)	(41)
Other, net	0	0	1	0
Earnings before income taxes	925	943	1,778	1,763
Provision for income taxes	279	303	536	553
Discontinued operations, net of tax	(105)	0	(106)	1
Equity in net earnings of subsidiaries	0	0	0	0
Net earnings	541	640	1,136	1,211
Comprehensive income	640	645	1,217	1,097
Parent Company [Member]
Condensed Consolidating Financial Information [Line Items]
Revenues	0	0	0	0
Cost of sales	3	3	9	6
G&A	14	19	28	39
Operating earnings	(17)	(22)	(37)	(45)
Interest, net	(25)	(23)	(47)	(46)
Other, net	(2)	(1)	(2)	(1)
Earnings before income taxes	(44)	(46)	(86)	(92)
Provision for income taxes	(14)	(11)	(23)	(20)
Discontinued operations, net of tax	(105)		(106)	1
Equity in net earnings of subsidiaries	676	675	1,305	1,282
Net earnings	541	640	1,136	1,211
Comprehensive income	640	645	1,217	1,097
Guarantor Subsidiaries [Member]
Condensed Consolidating Financial Information [Line Items]
Revenues	6,437	6,932	12,830	13,320
Cost of sales	5,231	5,604	10,429	10,830
G&A	401	411	769	816
Operating earnings	805	917	1,632	1,674
Interest, net	0	5	0	4
Other, net	4	0	4	1
Earnings before income taxes	809	922	1,636	1,679
Provision for income taxes	270	283	520	513
Discontinued operations, net of tax	0		0	0
Equity in net earnings of subsidiaries	0	0	0	0
Net earnings	539	639	1,116	1,166
Comprehensive income	540	637	1,111	1,185
Non-Guarantor Subsidiaries [Member]
Condensed Consolidating Financial Information [Line Items]
Revenues	1,037	902	1,909	1,828
Cost of sales	805	752	1,501	1,499
G&A	71	84	180	154
Operating earnings	161	66	228	175
Interest, net	1	0	1	1
Other, net	(2)	1	(1)	0
Earnings before income taxes	160	67	228	176
Provision for income taxes	23	31	39	60
Discontinued operations, net of tax	0		0	0
Equity in net earnings of subsidiaries	0	0	0	0
Net earnings	137	36	189	116
Comprehensive income	200	(20)	205	(143)
Consolidating Adjustments [Member]
Condensed Consolidating Financial Information [Line Items]
Revenues	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 taxes	0	0	0	0
Discontinued operations, net of tax	0		0
Equity in net earnings of subsidiaries	(676)	(675)	(1,305)	(1,282)
Net earnings	(676)	(675)	(1,305)	(1,282)
Comprehensive income	$ (740)	$ (617)	$ (1,316)	$ (1,042)