Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jul. 28, 2013	Jul. 29, 2012	Jul. 31, 2011
Cash flows from operating activities:
Net earnings	$ 449	$ 764	$ 802
Adjustments to reconcile net earnings to operating cash flow
Impairment charge	396
Restructuring charges	51	10	63
Stock-based compensation	113	79	87
Depreciation and amortization	407	262	268
Deferred income taxes	(171)	45	46
Other, net	155	118	108
Changes in working capital
Accounts receivable	(48)	(18)	(15)
Inventories	(146)	32	(14)
Prepaid assets	5	(3)	19
Accounts payable and accrued liabilities	(69)	(19)	(26)
Pension fund contributions	(87)	(71)	(144)
Receipts from hedging activities	22	7	3
Other	(58)	(86)	(55)
Net cash provided by operating activities	1,019	1,120	1,142
Cash flows from investing activities:
Purchases of plant assets	(336)	(323)	(272)
Sales of plant assets	5	1	9
Business acquired, net of cash acquired	(1,806)	0	0
Other, net	(17)	(1)	2
Net cash used in investing activities	(2,154)	(323)	(261)
Cash flows from financing activities:
Net short-term borrowings (repayments)	825	(257)	495
Long-term borrowings	1,250	0	500
Repayments of notes payable	(400)	0	(700)
Dividends paid	(367)	(373)	(378)
Treasury stock purchases	(153)	(412)	(728)
Treasury stock issuances	83	112	96
Excess tax benefits on stock-based compensation	12	8	11
Contribution from noncontrolling interest	3	2	10
Other, net	(16)	0	(6)
Net cash provided by (used in) financing activities	1,237	(920)	(700)
Effect of exchange rate changes on cash	(36)	(26)	49
Net change in cash and cash equivalents	66	(149)	230
Cash and cash equivalents - beginning of period	335	484	254
Cash balance of discontinued operations - end of period	(68)
Cash and cash equivalents - end of period	$ 333	$ 335	$ 484