Separate Financial Information of Guarantor Subsidiaries - Statement of Cash Flows (Details) - USD ($) $ in Millions	6 Months Ended
	Jan. 03, 2020	Dec. 28, 2018
Cash flows from operating activities
Net cash provided by (used in) operating activities	$ 510	$ 1,174
Cash flows from investing activities
Purchases of property, plant and equipment	(305)	(500)
Proceeds from the sale of property, plant and equipment	0	3
Acquisitions, net of cash acquired	(22)	0
Purchases of investments	0	(33)
Proceeds from sale of investments	0	13
Proceeds from maturities of investments	0	7
Notes receivable issuances to Flash Ventures	(224)	(508)
Notes receivable proceeds from Flash Ventures	690	312
Strategic investments and other, net	21	(19)
Intercompany loan from consolidated affiliates	0	0
Advances from (to) parent and consolidated affiliates	0	0
Net cash provided by (used in) investing activities	160	(725)
Cash flows from financing activities
Issuance of stock under employee stock plans	72	61
Taxes paid on vested stock awards under employee stock plans	(54)	(69)
Repurchases of common stock	0	(563)
Dividends paid to shareholders	(296)	(292)
Repayment of debt	(707)	(75)
Proceeds from (repayment of) revolving credit facility	0	(500)
Intercompany loan from (to) consolidated affiliates	0	0
Change in investment in consolidated subsidiaries	0	0
Net cash used in financing activities	(985)	(1,438)
Effect of exchange rate changes on cash	(3)	(3)
Net decrease in cash and cash equivalents	(318)	(992)
Cash and cash equivalents, beginning of year	3,455	5,005
Cash and cash equivalents, end of period	3,137	4,013
Parent
Cash flows from operating activities
Net cash provided by (used in) operating activities	(24)	103
Cash flows from investing activities
Purchases of property, plant and equipment	0	0
Proceeds from the sale of property, plant and equipment		0
Acquisitions, net of cash acquired	0
Purchases of investments		0
Proceeds from sale of investments		0
Proceeds from maturities of investments		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 consolidated affiliates	0	943
Advances from (to) parent and consolidated affiliates	(71)	(215)
Net cash provided by (used in) investing activities	(71)	728
Cash flows from financing activities
Issuance of stock under employee stock plans	72	61
Taxes paid on vested stock awards under employee stock plans	(54)	(69)
Repurchases of common stock		(563)
Dividends paid to shareholders	(296)	(292)
Repayment of debt	(707)	(75)
Proceeds from (repayment of) revolving credit facility		(500)
Intercompany loan from (to) consolidated affiliates	929	370
Change in investment in consolidated subsidiaries	154	214
Net cash used in financing activities	98	(854)
Effect of exchange rate changes on cash	0	0
Net decrease in cash and cash equivalents	3	(23)
Cash and cash equivalents, beginning of year	8	40
Cash and cash equivalents, end of period	11	17
Guarantor Subsidiaries
Cash flows from operating activities
Net cash provided by (used in) operating activities	499	(819)
Cash flows from investing activities
Purchases of property, plant and equipment	(84)	(129)
Proceeds from the sale of property, plant and equipment		0
Acquisitions, net of cash acquired	(2)
Purchases of investments		(11)
Proceeds from sale of investments		0
Proceeds from maturities of investments		0
Notes receivable issuances to Flash Ventures	0	0
Notes receivable proceeds from Flash Ventures	0	0
Strategic investments and other, net	6	(1)
Intercompany loan from consolidated affiliates	(952)	(370)
Advances from (to) parent and consolidated affiliates	71	215
Net cash provided by (used in) investing activities	(961)	(296)
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
Dividends paid to shareholders	0	0
Repayment of debt	0	0
Proceeds from (repayment of) revolving credit facility		0
Intercompany loan from (to) consolidated affiliates	208	(387)
Change in investment in consolidated subsidiaries	55	1,997
Net cash used in financing activities	263	1,610
Effect of exchange rate changes on cash	0	0
Net decrease in cash and cash equivalents	(199)	495
Cash and cash equivalents, beginning of year	985	668
Cash and cash equivalents, end of period	786	1,163
Non-Guarantor Subsidiaries
Cash flows from operating activities
Net cash provided by (used in) operating activities	(125)	1,934
Cash flows from investing activities
Purchases of property, plant and equipment	(221)	(371)
Proceeds from the sale of property, plant and equipment		3
Acquisitions, net of cash acquired	(20)
Purchases of investments		(22)
Proceeds from sale of investments		13
Proceeds from maturities of investments		7
Notes receivable issuances to Flash Ventures	(224)	(508)
Notes receivable proceeds from Flash Ventures	690	312
Strategic investments and other, net	15	(18)
Intercompany loan from consolidated affiliates	(208)	0
Advances from (to) parent and consolidated affiliates	0	0
Net cash provided by (used in) investing activities	32	(584)
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
Dividends paid to shareholders	0	0
Repayment of debt	0	0
Proceeds from (repayment of) revolving credit facility		0
Intercompany loan from (to) consolidated affiliates	23	(556)
Change in investment in consolidated subsidiaries	(49)	(2,255)
Net cash used in financing activities	(26)	(2,811)
Effect of exchange rate changes on cash	(3)	(3)
Net decrease in cash and cash equivalents	(122)	(1,464)
Cash and cash equivalents, beginning of year	2,462	4,297
Cash and cash equivalents, end of period	2,340	2,833
Eliminations
Cash flows from operating activities
Net cash provided by (used in) operating activities	160	(44)
Cash flows from investing activities
Purchases of property, plant and equipment	0	0
Proceeds from the sale of property, plant and equipment		0
Acquisitions, net of cash acquired	0
Purchases of investments		0
Proceeds from sale of investments		0
Proceeds from maturities of investments		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 consolidated affiliates	1,160	(573)
Advances from (to) parent and consolidated affiliates	0	0
Net cash provided by (used in) investing activities	1,160	(573)
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
Dividends paid to shareholders	0	0
Repayment of debt	0	0
Proceeds from (repayment of) revolving credit facility		0
Intercompany loan from (to) consolidated affiliates	(1,160)	573
Change in investment in consolidated subsidiaries	(160)	44
Net cash used in financing activities	(1,320)	617
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