Consolidated Condensed Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Jan. 29, 2017	Jan. 31, 2016
Cash flows from operating activities:
Net income	$ 703	$ 286
Adjustments required to reconcile net income to cash provided by operating activities:
Depreciation and amortization	97	96
Share-based compensation	54	54
Excess tax benefits from share-based compensation	(44)	(10)
Deferred income taxes	25	15
Other	9	10
Changes in operating assets and liabilities:
Accounts receivable	(89)	113
Inventories	(231)	(2)
Other current and non-current assets	(42)	(14)
Accounts payable and accrued expenses	(158)	(423)
Customer deposits and deferred revenue	293	85
Income taxes payable	15	5
Other liabilities	14	(8)
Cash provided by operating activities	646	207
Cash flows from investing activities:
Capital expenditures	(64)	(68)
Proceeds from sales and maturities of investments	286	241
Purchases of investments	(589)	(282)
Cash used in investing activities	(367)	(109)
Cash flows from financing activities:
Debt repayments	0	(1,205)
Proceeds from common stock issuances	0	2
Common stock repurchases	(130)	(625)
Excess tax benefits from share-based compensation	44	10
Payments of dividends to stockholders	(108)	(115)
Cash used in financing activities	(194)	(1,933)
Increase (decrease) in cash and cash equivalents	85	(1,835)
Cash and cash equivalents — beginning of period	3,406	4,797
Cash and cash equivalents — end of period	3,491	2,962
Supplemental cash flow information:
Cash payments for income taxes	35	44
Cash refunds from income taxes	2	5
Cash payments for interest	$ 34	$ 34