Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Jun. 30, 2018	Jun. 24, 2017	Jun. 25, 2016
Cash flows from operating activities:
Net income	$ 467,318,000	$ 571,613,000	$ 227,475,000
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	78,685,000	71,117,000	69,701,000
Depreciation and amortization	144,974,000	164,292,000	244,637,000
Deferred taxes	27,715,000	(7,895,000)	(48,138,000)
Research and Development in Process	0	0	27,602,000
Loss (gain) from sale of property, plant and equipment	995,000	16,365,000	2,283,000
Tax benefit (shortfall) related to stock-based compensation	0	0	7,375,000
Excess tax benefit related to stock-based compensation	0	0	(9,550,000)
Impairment of Long-Lived Assets to be Disposed of	42,000	1,462,000	160,153,000
Gain (Loss) on Investments, Excluding Other than Temporary Impairments	850,000	6,720,000	0
Cash Provided by (Used in) Operating Activities, Discontinued Operations	0	(26,620,000)	(58,944,000)
Changes in assets and liabilities:
Accounts receivable	(19,714,000)	78,000	22,313,000
Inventories	(32,776,000)	(21,215,000)	44,086,000
Other current assets	32,368,000	(3,547,000)	2,943,000
Accounts payable	9,560,000	(6,205,000)	(3,676,000)
Income taxes payable	117,654,000	60,798,000	56,641,000
Deferred income on shipments to distributors	(14,974,000)	(23,805,000)	8,452,000
All other accrued liabilities	6,767,000	(29,501,000)	(31,468,000)
Net cash provided by operating activities	819,464,000	773,657,000	721,885,000
Cash flows from investing activities:
Purchases of property, plant and equipment	(65,782,000)	(51,421,000)	(69,369,000)
Proceeds from sale of property, plant, and equipment	5,823,000	10,792,000	85,142,000
Acquisitions	(57,773,000)	0	0
Proceeds from Divestiture of Businesses	0	42,199,000	105,000,000
Purchases of available-for-sale securities	(1,447,354,000)	(450,135,000)	(99,948,000)
Payments to Acquire Investments	(5,520,000)	(2,825,000)	(10,483,000)
Proceeds from Sale of Available-for-sale Securities	107,291,000	50,994,000	0
Proceeds from sales/maturities of available-for-sale securities	753,249,000	75,000,000	50,000,000
Payments for (Proceeds from) Other Investing Activities	0	0	2,380,000
Net cash used in investing activities	(710,066,000)	(325,396,000)	62,722,000
Cash flows from financing activities
Excess tax benefit from stock-based compensation plans	0	0	9,550,000
Repayment of notes payable	0	(250,000,000)	0
Proceeds from Issuance of Debt	0	500,000,000	250,000,000
Payments of Debt Issuance Costs	0	(3,688,000)	(283,000)
Payments of Stock Issuance Costs	(30,310,000)	(25,183,000)	(24,084,000)
Proceeds from Stock Options Exercised	28,009,000	63,003,000	79,608,000
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	36,321,000	34,269,000	33,975,000
Repurchase of common stock	(407,968,000)	(251,799,000)	(237,086,000)
Dividends paid	(438,087,000)	(373,971,000)	(342,023,000)
Net cash used in financing activities	(812,035,000)	(307,369,000)	(230,343,000)
Net increase (decrease) in cash and cash equivalents	(702,637,000)	140,892,000	554,264,000
Cash and cash equivalents:
Beginning of year	2,246,121,000		2,105,229,000
End of year	1,543,484,000	2,246,121,000
Supplemental disclosures of cash flow information:
Cash (refunded) paid, net during the year for income taxes	189,100,000	76,243,000	43,898,000
Cash paid for interest	46,625,000	29,375,000	29,381,000
Noncash financing and investing activities:
Accounts payable related to property, plant and equipment purchases	8,833,000	3,853,000	2,810,000
Noncash or Part Noncash Divestiture, Amount of Consideration Received	$ 0	$ 0	$ 40,000,000