Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Aug. 04, 2012	Jul. 30, 2011	Aug. 04, 2012	Jul. 30, 2011	Oct. 29, 2011
Earnings per share
Income from continuing operations, net of tax			$ 472,049	$ 677,367
Gain on sale of discontinued operations, net of tax			0	6,500	6,500
Net income	$ 169,768	$ 219,935	$ 472,049	$ 683,867
Basic shares:
Weighted-average shares outstanding	298,445	299,616	298,121	299,586
Earnings per share-basic:
Income from continuing operations, net of tax			$ 1.58	$ 2.26
Gain on sale of discontinued operations, net of tax			$ 0.00	$ 0.02
Net income	$ 0.57	$ 0.73	$ 1.58	$ 2.28
Diluted shares:
Weighted-average shares outstanding	298,445	299,616	298,121	299,586
Assumed exercise of common stock equivalents	6,914	9,128	7,483	9,484
Weighted-average common and common equivalent shares	305,359	308,744	305,604	309,070
Earnings per share-diluted:
Income from continuing operations, net of tax			$ 1.54	$ 2.19
Gain on sale of discontinued operations, net of tax			$ 0.00	$ 0.02
Net income	$ 0.56	$ 0.71	$ 1.54	$ 2.21
Weighted average anti-dilutive shares related to:
Outstanding stock options	8,829	4,820	6,565	5,942