Consolidated Condensed Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2016	Jan. 25, 2015
Cash flows from operating activities:
Net income	$ 286	$ 348
Adjustments required to reconcile net income to cash provided by operating activities:
Depreciation and amortization	96	92
Share-based compensation	54	48
Excess tax benefits from share-based compensation	(10)	(39)
Deferred income taxes	15	28
Other	10	8
Changes in operating assets and liabilities:
Accounts receivable	113	90
Inventories	(2)	(74)
Other current and non-current assets	(14)	(77)
Accounts payable and accrued expenses	(423)	(156)
Customer deposits and deferred revenue	85	(156)
Income taxes payable	5	(39)
Other liabilities	(8)	(13)
Cash provided by operating activities	207	60
Cash flows from investing activities:
Capital expenditures	(68)	(49)
Proceeds from sales and maturities of investments	241	140
Purchases of investments	(282)	(141)
Cash used in investing activities	(109)	(50)
Cash flows from financing activities:
Debt repayments	(1,205)	0
Proceeds from common stock issuances and other	2	0
Common stock repurchases	(625)	0
Excess tax benefits from share-based compensation	10	39
Payments of dividends to stockholders	(115)	(122)
Cash used in financing activities	(1,933)	(83)
Decrease in cash and cash equivalents	(1,835)	(73)
Cash and cash equivalents — beginning of period	4,797	3,002
Cash and cash equivalents — end of period	2,962	2,929
Supplemental cash flow information:
Cash payments for income taxes	44	89
Cash refunds from income taxes	5	3
Cash payments for interest	$ 34	$ 39