Separate Financial Information of Guarantor Subsidiaries - Statement of Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Jun. 28, 2019	Mar. 29, 2019	Dec. 28, 2018	Sep. 28, 2018	Jun. 29, 2018	Mar. 30, 2018	Dec. 29, 2017	Sep. 29, 2017	Jun. 28, 2019	Jun. 29, 2018	Jun. 30, 2017
Condensed Statement of Income Captions [Line Items]
Net income (loss)	$ (197)	$ (581)	$ (487)	$ 511	$ 756	$ 61	$ (823)	$ 681	$ (754)	$ 675	$ 397
Actuarial pension loss									(39)	(2)	39
Foreign currency translation adjustment									28	18	(115)
Net unrealized gain (loss) on derivative contracts and available-for-sale securities									(39)	7	(75)
Total other comprehensive income (loss), before tax									(50)	23	(151)
Income tax benefit (expense) related to items of other comprehensive income (loss), before tax									21	(4)	(10)
Other comprehensive income (loss), net of tax									(29)	19	(161)
Total comprehensive income (loss)									(783)	694	236
Parent
Condensed Statement of Income Captions [Line Items]
Net income (loss)									(754)	675	397
Actuarial pension loss									(39)	(2)	39
Foreign currency translation adjustment									28	18	(115)
Net unrealized gain (loss) on derivative contracts and available-for-sale securities									(39)	7	(75)
Total other comprehensive income (loss), before tax									(50)	23	(151)
Income tax benefit (expense) related to items of other comprehensive income (loss), before tax									21	(4)	(10)
Other comprehensive income (loss), net of tax									(29)	19	(161)
Total comprehensive income (loss)									(783)	694	236
Guarantor Subsidiaries
Condensed Statement of Income Captions [Line Items]
Net income (loss)									(494)	1,552	1,047
Actuarial pension loss									(39)	(2)	39
Foreign currency translation adjustment									31	15	(113)
Net unrealized gain (loss) on derivative contracts and available-for-sale securities									40	(10)	(75)
Total other comprehensive income (loss), before tax									32	3	(149)
Income tax benefit (expense) related to items of other comprehensive income (loss), before tax									1	1	(10)
Other comprehensive income (loss), net of tax									33	4	(159)
Total comprehensive income (loss)									(461)	1,556	888
Non-Guarantor Subsidiaries
Condensed Statement of Income Captions [Line Items]
Net income (loss)									(869)	2,246	261
Actuarial pension loss									(39)	(2)	39
Foreign currency translation adjustment									31	15	(136)
Net unrealized gain (loss) on derivative contracts and available-for-sale securities									38	(6)	(73)
Total other comprehensive income (loss), before tax									30	7	(170)
Income tax benefit (expense) related to items of other comprehensive income (loss), before tax									2	(1)	(8)
Other comprehensive income (loss), net of tax									32	6	(178)
Total comprehensive income (loss)									(837)	2,252	83
Eliminations
Condensed Statement of Income Captions [Line Items]
Net income (loss)									1,363	(3,798)	(1,308)
Actuarial pension loss									78	4	(78)
Foreign currency translation adjustment									(62)	(30)	249
Net unrealized gain (loss) on derivative contracts and available-for-sale securities									(78)	16	148
Total other comprehensive income (loss), before tax									(62)	(10)	319
Income tax benefit (expense) related to items of other comprehensive income (loss), before tax									(3)	0	18
Other comprehensive income (loss), net of tax									(65)	(10)	337
Total comprehensive income (loss)									$ 1,298	$ (3,808)	$ (971)