Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jan. 27, 2013	Jan. 29, 2012
Cash flows from operating activities:
Net earnings	$ 430	$ 464
Adjustments to reconcile net earnings to operating cash flow
Restructuring charges	30	5
Stock-based compensation	51	45
Depreciation and amortization	219	124
Deferred income taxes	(13)	46
Other, net	74	60
Changes in working capital
Accounts receivable	(158)	(140)
Inventories	(46)	6
Prepaid assets	2	0
Accounts payable and accrued liabilities	5	(45)
Pension fund contributions	(78)	(63)
Other	(17)	(24)
Net cash provided by operating activities	499	478
Cash flows from investing activities:
Purchases of plant assets	(110)	(97)
Sales of plant assets	3	1
Business acquired, net of cash acquired	(1,567)	0
Other, net	(11)	1
Net cash used in investing activities	(1,685)	(95)
Cash flows from financing activities:
Net short-term borrowings (repayments)	796	(191)
Long-term borrowings	1,250	0
Repayments of notes payable	(400)
Dividends paid	(366)	(188)
Treasury stock purchases	(63)	(173)
Treasury stock issuances	50	23
Excess tax benefits on stock-based compensation	5	0
Other, net	(15)	0
Net cash provided by (used in) financing activities	1,257	(529)
Effect of exchange rate changes on cash	4	(16)
Net change in cash and cash equivalents	75	(162)
Cash and cash equivalents - beginning of period	335	484
Cash and cash equivalents - end of period	$ 410	$ 322