Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Jan. 27, 2017	Jan. 29, 2016
Operating Activities:
Net income	$ 2,860	$ 2,435
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,199	2,112
Amortization of debt discount and issuance costs	21	22
Acquisition-related items	(43)	216
Provision for doubtful accounts	31	43
Deferred income taxes	(404)	(291)
Stock-based compensation	272	291
Other, net	(113)	(117)
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable, net	18	86
Inventories	(261)	(388)
Accounts payable and accrued liabilities	(124)	177
Other operating assets and liabilities	495	(399)
Certain litigation charges	300	26
Certain litigation payments	(144)	(321)
Net cash provided by operating activities	5,107	3,892
Investing Activities:
Acquisitions, net of cash acquired	(1,328)	(1,132)
Additions to property, plant, and equipment	(924)	(693)
Purchases of investments	(3,354)	(4,509)
Sales and maturities of investments	4,286	4,017
Other investing activities, net	21	(11)
Net cash used in investing activities	(1,299)	(2,328)
Financing Activities:
Acquisition-related contingent consideration	(58)	(21)
Change in current debt obligations, net	1,118	1,223
Repayment of short-term borrowings (maturities greater than 90 days)	(2)	(48)
Proceeds from short-term borrowings (maturities greater than 90 days)	4	139
Issuance of long-term debt	131	0
Payments on long-term debt	(361)	(1,612)
Dividends to shareholders	(1,782)	(1,608)
Issuance of ordinary shares	309	360
Repurchase of ordinary shares	(3,409)	(2,170)
Other financing activities	80	60
Net cash used in financing activities	(3,970)	(3,677)
Effect of exchange rate changes on cash and cash equivalents	54	(9)
Net change in cash and cash equivalents	(108)	(2,122)
Cash and cash equivalents at beginning of period	2,876	4,843
Cash and cash equivalents at end of period	2,768	2,721
Supplemental Cash Flow Information
Cash paid for income taxes	474	1,236
Cash paid for interest	$ 626	$ 707