Condensed Consolidating Statements Of Cash Flows (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended		12 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Dec. 31, 2012
Condensed Consolidating Financial Information [Line Items]
Net cash provided by operating activities	$ 1,550	$ 1,907
Cash flows from investing activities:
Business acquisitions, net of cash acquired	(1)	(426)	(444)
Payments to Acquire Property, Plant, and Equipment	271	286
Purchases of held-to-maturity securities		(260)
Sales of held-to-maturity securities		211
Purchases of available-for-sale securities		(201)
Other, net		294
Net cash used by investing activities	(216)	(668)
Cash flows from financing activities:
Purchases of common stock	(696)	(602)
Dividends paid	(394)	(533)
Proceeds from option exercises	484	121
Other, net	46	2
Net cash used by financing activities	(560)	(1,012)
Net cash used by discontinued operations	(5)	(2)
Cash sweep/funding by parent	0	0
Net increase (decrease) in cash and equivalents	769	225
Cash and equivalents at beginning of period	3,296	2,649	2,649
Cash and equivalents at end of period	4,065	2,874	3,296
Parent Company [Member]
Condensed Consolidating Financial Information [Line Items]
Net cash provided by operating activities	(445)	(523)
Cash flows from investing activities:
Business acquisitions, net of cash acquired		(101)
Payments to Acquire Property, Plant, and Equipment		1
Purchases of held-to-maturity securities		(260)
Sales of held-to-maturity securities		211
Purchases of available-for-sale securities		(140)
Other, net		233
Net cash used by investing activities	1	(58)
Cash flows from financing activities:
Purchases of common stock	(696)	(602)
Dividends paid	(394)	(533)
Proceeds from option exercises	484	121
Other, net	19	24
Net cash used by financing activities	(587)	(990)
Net cash used by discontinued operations	(5)	(2)
Cash sweep/funding by parent	1,845	2,030
Net increase (decrease) in cash and equivalents	809	457
Cash and equivalents at beginning of period	2,248	1,530	1,530
Cash and equivalents at end of period	3,057	1,987
Guarantor Subsidiaries [Member]
Condensed Consolidating Financial Information [Line Items]
Net cash provided by operating activities	1,983	2,275
Cash flows from investing activities:
Business acquisitions, net of cash acquired		(299)
Payments to Acquire Property, Plant, and Equipment		251
Purchases of held-to-maturity securities		0
Sales of held-to-maturity securities		0
Purchases of available-for-sale securities		(61)
Other, net		61
Net cash used by investing activities	(188)	(550)
Cash flows from financing activities:
Purchases of common stock	0	0
Dividends paid	0	0
Proceeds from option exercises	0	0
Other, net	0	(20)
Net cash used by financing activities	0	(20)
Net cash used by discontinued operations	0	0
Cash sweep/funding by parent	(1,795)	(1,705)
Net increase (decrease) in cash and equivalents	0	0
Cash and equivalents at beginning of period	0	0	0
Cash and equivalents at end of period	0	0
Non-Guarantor Subsidiaries [Member]
Condensed Consolidating Financial Information [Line Items]
Net cash provided by operating activities	12	155
Cash flows from investing activities:
Business acquisitions, net of cash acquired		(26)
Payments to Acquire Property, Plant, and Equipment		34
Purchases of held-to-maturity securities		0
Sales of held-to-maturity securities		0
Purchases of available-for-sale securities		0
Other, net		0
Net cash used by investing activities	(29)	(60)
Cash flows from financing activities:
Purchases of common stock	0	0
Dividends paid	0	0
Proceeds from option exercises	0	0
Other, net	27	(2)
Net cash used by financing activities	27	(2)
Net cash used by discontinued operations	0	0
Cash sweep/funding by parent	(50)	(325)
Net increase (decrease) in cash and equivalents	(40)	(232)
Cash and equivalents at beginning of period	1,048	1,119	1,119
Cash and equivalents at end of period	1,008	887
Consolidation, Eliminations [Member]
Condensed Consolidating Financial Information [Line Items]
Net cash provided by operating activities	0	0
Cash flows from investing activities:
Business acquisitions, net of cash acquired		0
Payments to Acquire Property, Plant, and Equipment		0
Purchases of held-to-maturity securities		0
Sales of held-to-maturity securities		0
Purchases of available-for-sale securities		0
Other, net		0
Net cash used by investing activities	0	0
Cash flows from financing activities:
Purchases of common stock	0	0
Dividends paid	0	0
Proceeds from option exercises	0	0
Other, net	0	0
Net cash used by financing activities	0	0
Net cash used by discontinued operations	0
Cash sweep/funding by parent	0	0
Net increase (decrease) in cash and equivalents	0	0
Cash and equivalents at beginning of period	0	0	0
Cash and equivalents at end of period	$ 0	$ 0