Consolidated Condensed Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2017	May 01, 2016
Cash flows from operating activities:
Net income	$ 1,527	$ 606
Adjustments required to reconcile net income to cash provided by operating activities:
Depreciation and amortization	200	192
Share-based compensation	107	102
Excess tax benefits from share-based compensation	(48)	(13)
Deferred income taxes	9	(7)
Other	9	15
Changes in operating assets and liabilities:
Accounts receivable	(98)	(175)
Inventories	(559)	(92)
Other current and non-current assets	(30)	54
Accounts payable and accrued expenses	(44)	(255)
Customer deposits and deferred revenue	411	216
Income taxes payable	43	44
Other liabilities	17	1
Cash provided by operating activities	1,544	688
Cash flows from investing activities:
Capital expenditures	(141)	(115)
Cash paid for acquisitions, net of cash acquired	(26)	(8)
Proceeds from sales and maturities of investments	887	473
Purchases of investments	(2,368)	(464)
Cash used in investing activities	(1,648)	(114)
Cash flows from financing activities:
Debt borrowings (repayments), net of issuance costs	2,176	(1,205)
Proceeds from common stock issuances	46	44
Common stock repurchases	(412)	(1,525)
Excess tax benefits from share-based compensation	48	13
Payments of dividends to stockholders	(216)	(228)
Cash provided by (used in) financing activities	1,642	(2,901)
Increase (decrease) in cash and cash equivalents	1,538	(2,327)
Cash and cash equivalents — beginning of period	3,406	4,797
Cash and cash equivalents — end of period	4,944	2,470
Supplemental cash flow information:
Cash payments for income taxes	65	95
Cash refunds from income taxes	8	103
Cash payments for interest	$ 75	$ 76