Separate Financial Information of Guarantor Subsidiaries - Statement of Cash Flows (Details) - USD ($) $ in Millions	9 Months Ended
	Mar. 29, 2019	Mar. 30, 2018
Cash flows from operating activities
Net cash provided by (used in) operating activities	$ 1,378	$ 3,342
Cash flows from investing activities
Purchases of property, plant and equipment	(722)	(643)
Proceeds from the sale of property, plant and equipment	3	24
Acquisitions, net of cash acquired	0	(99)
Purchases of investments	(69)	(66)
Proceeds from sale of investments	49	39
Proceeds from maturities of investments	7	16
Notes receivable issuances to Flash Ventures	(858)	(1,015)
Notes receivable proceeds from Flash Ventures	570	308
Strategic investments and other, net	(22)	30
Intercompany loan from (to) consolidated affiliates	0	0
Advances from (to) parent and consolidated affiliates	0	0
Net cash used in investing activities	(1,042)	(1,406)
Cash flows from financing activities
Issuance of stock under employee stock plans	66	146
Taxes paid on vested stock awards under employee stock plans	(109)	(164)
Repurchases of common stock	(563)	(155)
Repayment of revolving credit facility	0
Dividends paid to shareholders	(438)	(443)
Settlement of debt hedge contracts	0	28
Repayment of debt	(113)	(14,581)
Proceeds from debt	0	11,384
Proceeds from (repayment of) revolving credit facility	(500)	500
Debt issuance costs	0	(52)
Intercompany loan to consolidated affiliates	0	0
Change in investment in consolidated subsidiaries	0	0
Net cash used in financing activities	(1,657)	(3,337)
Effect of exchange rate changes on cash	(2)	10
Cash and cash equivalents, beginning of year	5,005
Cash and cash equivalents, end of period	3,682
Parent
Cash flows from operating activities
Net cash provided by (used in) operating activities	87	(130)
Cash flows from investing activities
Purchases of property, plant and equipment	0	0
Proceeds from the sale of property, plant and equipment	0	0
Acquisitions, net of cash acquired		0
Purchases of investments	0	0
Proceeds from sale of investments	0	0
Proceeds from maturities of investments	0	0
Notes receivable issuances to Flash Ventures	0	0
Notes receivable proceeds from Flash Ventures	0	0
Strategic investments and other, net	0	0
Intercompany loan from (to) consolidated affiliates	943	3,295
Advances from (to) parent and consolidated affiliates	(243)	(47)
Net cash used in investing activities	700	3,248
Cash flows from financing activities
Issuance of stock under employee stock plans	66	146
Taxes paid on vested stock awards under employee stock plans	(109)	(164)
Repurchases of common stock	(563)	(155)
Repayment of revolving credit facility	0
Dividends paid to shareholders	(438)	(443)
Settlement of debt hedge contracts		28
Repayment of debt	(113)	(14,581)
Proceeds from debt		11,384
Proceeds from (repayment of) revolving credit facility	(500)	500
Debt issuance costs		(52)
Intercompany loan to consolidated affiliates	541	0
Change in investment in consolidated subsidiaries	298	319
Net cash used in financing activities	(818)	(3,018)
Effect of exchange rate changes on cash	0	0
Net decrease in cash and cash equivalents	(31)	100
Cash and cash equivalents, beginning of year	40	18
Cash and cash equivalents, end of period	9	118
Guarantor Subsidiaries
Cash flows from operating activities
Net cash provided by (used in) operating activities	(1,115)	405
Cash flows from investing activities
Purchases of property, plant and equipment	(198)	(162)
Proceeds from the sale of property, plant and equipment	0	0
Acquisitions, net of cash acquired		(93)
Purchases of investments	(11)	(11)
Proceeds from sale of investments	0	0
Proceeds from maturities of investments	0	0
Notes receivable issuances to Flash Ventures	0	0
Notes receivable proceeds from Flash Ventures	0	0
Strategic investments and other, net	1	(1)
Intercompany loan from (to) consolidated affiliates	(541)	0
Advances from (to) parent and consolidated affiliates	243	47
Net cash used in investing activities	(506)	(220)
Cash flows from financing activities
Issuance of stock under employee stock plans	0	0
Taxes paid on vested stock awards under employee stock plans	0	0
Repurchases of common stock	0	0
Repayment of revolving credit facility	0
Dividends paid to shareholders	0	0
Settlement of debt hedge contracts		0
Repayment of debt	0	0
Proceeds from debt		0
Proceeds from (repayment of) revolving credit facility	0	0
Debt issuance costs		0
Intercompany loan to consolidated affiliates	(377)	(205)
Change in investment in consolidated subsidiaries	2,349	(463)
Net cash used in financing activities	1,972	(668)
Effect of exchange rate changes on cash	0	0
Net decrease in cash and cash equivalents	351	(483)
Cash and cash equivalents, beginning of year	668	1,212
Cash and cash equivalents, end of period	1,019	729
Non-Guarantor Subsidiaries
Cash flows from operating activities
Net cash provided by (used in) operating activities	2,461	3,284
Cash flows from investing activities
Purchases of property, plant and equipment	(524)	(481)
Proceeds from the sale of property, plant and equipment	3	24
Acquisitions, net of cash acquired		(6)
Purchases of investments	(58)	(55)
Proceeds from sale of investments	49	39
Proceeds from maturities of investments	7	16
Notes receivable issuances to Flash Ventures	(858)	(1,015)
Notes receivable proceeds from Flash Ventures	570	308
Strategic investments and other, net	(23)	31
Intercompany loan from (to) consolidated affiliates	0	0
Advances from (to) parent and consolidated affiliates	0	0
Net cash used in investing activities	(834)	(1,139)
Cash flows from financing activities
Issuance of stock under employee stock plans	0	0
Taxes paid on vested stock awards under employee stock plans	0	0
Repurchases of common stock	0	0
Repayment of revolving credit facility	0
Dividends paid to shareholders	0	0
Settlement of debt hedge contracts		0
Repayment of debt	0	0
Proceeds from debt		0
Proceeds from (repayment of) revolving credit facility	0	0
Debt issuance costs		0
Intercompany loan to consolidated affiliates	(566)	(3,090)
Change in investment in consolidated subsidiaries	(2,702)	(73)
Net cash used in financing activities	(3,268)	(3,163)
Effect of exchange rate changes on cash	(2)	10
Net decrease in cash and cash equivalents	(1,643)	(1,008)
Cash and cash equivalents, beginning of year	4,297	5,124
Cash and cash equivalents, end of period	2,654	4,116
Eliminations
Cash flows from operating activities
Net cash provided by (used in) operating activities	(55)	(217)
Cash flows from investing activities
Purchases of property, plant and equipment	0	0
Proceeds from the sale of property, plant and equipment	0	0
Acquisitions, net of cash acquired		0
Purchases of investments	0	0
Proceeds from sale of investments	0	0
Proceeds from maturities of investments	0	0
Notes receivable issuances to Flash Ventures	0	0
Notes receivable proceeds from Flash Ventures	0	0
Strategic investments and other, net	0	0
Intercompany loan from (to) consolidated affiliates	(402)	(3,295)
Advances from (to) parent and consolidated affiliates	0	0
Net cash used in investing activities	(402)	(3,295)
Cash flows from financing activities
Issuance of stock under employee stock plans	0	0
Taxes paid on vested stock awards under employee stock plans	0	0
Repurchases of common stock	0	0
Repayment of revolving credit facility	0
Dividends paid to shareholders	0	0
Settlement of debt hedge contracts		0
Repayment of debt	0	0
Proceeds from debt		0
Proceeds from (repayment of) revolving credit facility	0	0
Debt issuance costs		0
Intercompany loan to consolidated affiliates	402	3,295
Change in investment in consolidated subsidiaries	55	217
Net cash used in financing activities	457	3,512
Effect of exchange rate changes on cash	0	0
Net decrease in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of year	0	0
Cash and cash equivalents, end of period	$ 0	$ 0