Condensed Consolidating Statements Of Cash Flows (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
		Jul. 03, 2016	Jul. 05, 2015	Jul. 03, 2016	Jul. 05, 2015	Dec. 31, 2015
Condensed Financial Statements [Line Items]
Net cash provided by operating activities	[1]			$ 873	$ 1,433
Cash flows from investing activities:
Maturities of held-to-maturity securities				0	500
Proceeds from sales of assets				4	259
Capital expenditures				(134)	(190)
Other, net				(51)	(18)
Net cash (used) provided by investing activities				(185)	551
Cash flows from financing activities:
Purchases of common stock				(1,189)	(1,565)
Dividends paid		$ (232)	$ (226)	(447)	(432)
Repayment of fixed-rate notes				0	(500)
Proceeds from option exercises				92	198
Other, net				4	(25)
Net cash used by financing activities				(1,540)	(2,324)
Net cash used by discontinued operations				(34)	(16)
Cash sweep/funding by parent				0	0
Net increase (decrease) in cash and equivalents				(886)	(356)
Cash and equivalents at beginning of period				2,785	4,388	$ 4,388
Cash and equivalents at end of period		1,899	4,032	1,899	4,032	2,785
Consolidating Adjustments
Condensed Financial Statements [Line Items]
Net cash provided by operating activities	[1]			0	0
Cash flows from investing activities:
Maturities of held-to-maturity securities					0
Proceeds from sales of assets					0
Capital expenditures				0	0
Other, net				0	0
Net cash (used) provided by investing activities				0	0
Cash flows from financing activities:
Purchases of common stock				0	0
Dividends paid				0	0
Repayment of fixed-rate notes					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	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	0	0	0
Parent Company
Condensed Financial Statements [Line Items]
Net cash provided by operating activities	[1]			280	103
Cash flows from investing activities:
Maturities of held-to-maturity securities					500
Proceeds from sales of assets					162
Capital expenditures				(3)	(2)
Other, net				1	2
Net cash (used) provided by investing activities				(2)	662
Cash flows from financing activities:
Purchases of common stock				(1,189)	(1,565)
Dividends paid				(447)	(432)
Repayment of fixed-rate notes					(500)
Proceeds from option exercises				92	198
Other, net				(31)	(28)
Net cash used by financing activities				(1,575)	(2,327)
Net cash used by discontinued operations				(34)	(16)
Cash sweep/funding by parent				610	1,338
Net increase (decrease) in cash and equivalents				(721)	(240)
Cash and equivalents at beginning of period				1,732	2,536	2,536
Cash and equivalents at end of period		1,011	2,296	1,011	2,296	1,732
Guarantor Subsidiaries
Condensed Financial Statements [Line Items]
Net cash provided by operating activities	[1]			399	1,133
Cash flows from investing activities:
Maturities of held-to-maturity securities					0
Proceeds from sales of assets					97
Capital expenditures				(111)	(180)
Other, net				(15)	(20)
Net cash (used) provided by investing activities				(126)	(103)
Cash flows from financing activities:
Purchases of common stock				0	0
Dividends paid				0	0
Repayment of fixed-rate notes					0
Proceeds from option exercises				0	0
Other, net				(1)	3
Net cash used by financing activities				(1)	3
Net cash used by discontinued operations				0	0
Cash sweep/funding by parent				(272)	(1,033)
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	0	0	0
Non-Guarantor Subsidiaries
Condensed Financial Statements [Line Items]
Net cash provided by operating activities	[1]			194	197
Cash flows from investing activities:
Maturities of held-to-maturity securities					0
Proceeds from sales of assets					0
Capital expenditures				(20)	(8)
Other, net				(37)	0
Net cash (used) provided by investing activities				(57)	(8)
Cash flows from financing activities:
Purchases of common stock				0	0
Dividends paid				0	0
Repayment of fixed-rate notes					0
Proceeds from option exercises				0	0
Other, net				36	0
Net cash used by financing activities				36	0
Net cash used by discontinued operations				0	0
Cash sweep/funding by parent				(338)	(305)
Net increase (decrease) in cash and equivalents				(165)	(116)
Cash and equivalents at beginning of period				1,053	1,852	1,852
Cash and equivalents at end of period		$ 888	$ 1,736	$ 888	$ 1,736	$ 1,053

[1] * Continuing operations only