Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jul. 26, 2013	Jul. 27, 2012
Operating Activities:
Net earnings	$ 953	$ 864
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	208	197
Amortization of debt discount and issuance costs	2	23
Acquisition-related items	(96)	5
Provision for doubtful accounts	14	14
Deferred income taxes	30	(16)
Stock-based compensation	31	36
Change in operating assets and liabilities, net of effect of acquisitions:
Accounts receivable, net	85	214
Inventories	(95)	(61)
Accounts payable and accrued liabilities	(330)	(67)
Other operating assets and liabilities	181	129
Certain litigation charges, net	0	(6)
Net cash provided by operating activities	983	1,332
Investing Activities:
Acquisitions, net of cash acquired	(17)	(23)
Additions to property, plant, and equipment	(78)	(103)
Purchases of investments	(2,757)	(2,740)
Sales and maturities of investments	2,195	1,895
Other investing activities, net	(9)	(5)
Net cash used in investing activities	(666)	(976)
Financing Activities:
Acquisition-related contingent consideration	(1)	(15)
Change in short-term borrowings, net	761	(284)
Repayment of short-term borrowings (maturities greater than 90 days)	(125)	(200)
Proceeds from short-term borrowings (maturities greater than 90 days)	0	575
Payments on long-term debt	(4)	(6)
Dividends to shareholders	(281)	(267)
Issuance of common stock	568	24
Repurchase of common stock	(1,340)	(470)
Net cash used in financing activities	(422)	(643)
Effect of exchange rate changes on cash and cash equivalents	14	(76)
Net change in cash and cash equivalents	(91)	(363)
Cash and cash equivalents at beginning of period	919	1,172
Cash and cash equivalents at end of period	828	809
Supplemental Cash Flow Information
Cash paid for income taxes	70	109
Cash paid for interest	$ 27	$ 32