Separate Financial Information of Guarantor Subsidiaries Statement of Cash Flows (Details) - USD ($) $ in Millions	6 Months Ended
	Dec. 29, 2017	Dec. 30, 2016
Cash flows from operating activities
Net cash provided by (used in) operating activities	$ 2,315	$ 1,500
Cash flows from investing activities
Proceeds from the sale of property, plant and equipment	(416)	(330)
Proceeds from the sale of property, plant and equipment	10	1
Acquisitions, net of cash acquired	(99)	0
Purchases of investments	(57)	(239)
Proceeds from sale of investments	29	55
Proceeds from maturities of investments	16	279
Investments in Flash Ventures	0	(20)
Notes receivable issuances to Flash Ventures	(621)	(309)
Notes receivable proceeds from Flash Ventures	112	259
Strategic investments and other, net	19	(12)
Intercompany loans from (to) consolidated affiliates	0	0
Advances from (to) parent and consolidated subsidiaries	0	0
Net cash used in investing activities	(1,007)	(316)
Cash flows from financing activities
Issuance of stock under employee stock plans	99	90
Taxes paid on vested stock awards under employee stock plans	(67)	(40)
Excess tax benefits from employee stock plans	0	56
Proceeds from acquired call option	0	61
Dividends paid to shareholders	(295)	(284)
Settlement of debt hedge contracts	28	0
Repayment of debt	(4,114)	(8,254)
Proceeds from debt	2,963	3,992
Debt issuance costs	(5)	(7)
Intercompany loan to consolidated affiliates	0	0
Change in investment in consolidated subsidiaries	0	0
Net cash used in financing activities	(1,391)	(4,386)
Effect of exchange rate changes on cash	1	(9)
Net decrease in cash and cash equivalents	(82)	(3,211)
Cash and cash equivalents, beginning of year	6,354	8,151
Cash and cash equivalents, end of period	6,272	4,940
Parent
Cash flows from operating activities
Net cash provided by (used in) operating activities	(279)	(256)
Cash flows from investing activities
Proceeds from the sale 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
Investments in Flash Ventures		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 loans from (to) consolidated affiliates	1,395	770
Advances from (to) parent and consolidated subsidiaries	65	293
Net cash used in investing activities	1,460	1,063
Cash flows from financing activities
Issuance of stock under employee stock plans	99	90
Taxes paid on vested stock awards under employee stock plans	(67)	(40)
Excess tax benefits from employee stock plans		56
Proceeds from acquired call option		0
Dividends paid to shareholders	(295)	(284)
Settlement of debt hedge contracts	28
Repayment of debt	(4,114)	(4,767)
Proceeds from debt	2,963	3,992
Debt issuance costs	(5)	(7)
Intercompany loan to consolidated affiliates	0	0
Change in investment in consolidated subsidiaries	214	199
Net cash used in financing activities	(1,177)	(761)
Effect of exchange rate changes on cash	0	0
Net decrease in cash and cash equivalents	4	46
Cash and cash equivalents, beginning of year	18	0
Cash and cash equivalents, end of period	22	46
Guarantor Subsidiaries
Cash flows from operating activities
Net cash provided by (used in) operating activities	108	211
Cash flows from investing activities
Proceeds from the sale of property, plant and equipment	(113)	(136)
Proceeds from the sale of property, plant and equipment	0	0
Acquisitions, net of cash acquired	(93)
Purchases of investments	(11)	0
Proceeds from sale of investments	0	0
Proceeds from maturities of investments	0	0
Investments in Flash Ventures		0
Notes receivable issuances to Flash Ventures	0	0
Notes receivable proceeds from Flash Ventures	0	0
Strategic investments and other, net	(1)	0
Intercompany loans from (to) consolidated affiliates	0	40
Advances from (to) parent and consolidated subsidiaries	(65)	(285)
Net cash used in investing activities	(283)	(381)
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
Excess tax benefits from employee stock plans		0
Proceeds from acquired call option		0
Dividends paid to shareholders	0	0
Settlement of debt hedge contracts	0
Repayment of debt	0	(2,995)
Proceeds from debt	0	0
Debt issuance costs	0	0
Intercompany loan to consolidated affiliates	(54)	(5,966)
Change in investment in consolidated subsidiaries	204	8,808
Net cash used in financing activities	150	(153)
Effect of exchange rate changes on cash	0	0
Net decrease in cash and cash equivalents	(25)	(323)
Cash and cash equivalents, beginning of year	1,212	1,206
Cash and cash equivalents, end of period	1,187	883
Non-Guarantor Subsidiaries
Cash flows from operating activities
Net cash provided by (used in) operating activities	2,560	1,443
Cash flows from investing activities
Proceeds from the sale of property, plant and equipment	(303)	(194)
Proceeds from the sale of property, plant and equipment	10	1
Acquisitions, net of cash acquired	(6)
Purchases of investments	(46)	(239)
Proceeds from sale of investments	29	55
Proceeds from maturities of investments	16	279
Investments in Flash Ventures		(20)
Notes receivable issuances to Flash Ventures	(621)	(309)
Notes receivable proceeds from Flash Ventures	112	259
Strategic investments and other, net	20	(12)
Intercompany loans from (to) consolidated affiliates	0	0
Advances from (to) parent and consolidated subsidiaries	0	0
Net cash used in investing activities	(789)	(180)
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
Excess tax benefits from employee stock plans		0
Proceeds from acquired call option		61
Dividends paid to shareholders	0	0
Settlement of debt hedge contracts	0
Repayment of debt	0	(492)
Proceeds from debt	0	0
Debt issuance costs	0	0
Intercompany loan to consolidated affiliates	(1,341)	5,156
Change in investment in consolidated subsidiaries	(492)	(8,913)
Net cash used in financing activities	(1,833)	(4,188)
Effect of exchange rate changes on cash	1	(9)
Net decrease in cash and cash equivalents	(61)	(2,934)
Cash and cash equivalents, beginning of year	5,124	6,945
Cash and cash equivalents, end of period	5,063	4,011
Eliminations
Cash flows from operating activities
Net cash provided by (used in) operating activities	(74)	102
Cash flows from investing activities
Proceeds from the sale 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
Investments in Flash Ventures		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 loans from (to) consolidated affiliates	(1,395)	(810)
Advances from (to) parent and consolidated subsidiaries	0	(8)
Net cash used in investing activities	(1,395)	(818)
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
Excess tax benefits from employee stock plans		0
Proceeds from acquired call option		0
Dividends paid to shareholders	0	0
Settlement of debt hedge contracts	0
Repayment of debt	0	0
Proceeds from debt	0	0
Debt issuance costs	0	0
Intercompany loan to consolidated affiliates	1,395	810
Change in investment in consolidated subsidiaries	74	(94)
Net cash used in financing activities	1,469	716
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