Separate Financial Information of Guarantor Subsidiaries Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Dec. 29, 2017	Dec. 30, 2016
Condensed Statement of Income Captions [Line Items]
Net income (loss)	$ (823)	$ 235	$ (142)	$ (131)
Actuarial pension gain	0	1	0	6
Foreign currency translation adjustment	6	(186)	2	(169)
Net unrealized gain (loss) on derivative contracts	10	(136)	14	(140)
Net unrealized loss on available-for-sale securities	0	0	(1)	0
Total other comprehensive income (loss), before tax	16	(321)	15	(303)
Income tax benefit (expense) related to items of other comprehensive income (loss), before tax	(3)	9	(3)	3
Other comprehensive income (loss), net of tax	13	(312)	12	(300)
Total comprehensive loss	(810)	(77)	(130)	(431)
Parent
Condensed Statement of Income Captions [Line Items]
Net income (loss)	(823)	235	(142)	(131)
Actuarial pension gain		1	0	6
Foreign currency translation adjustment	6	(186)	2	(169)
Net unrealized gain (loss) on derivative contracts	10	(136)	14	(140)
Net unrealized loss on available-for-sale securities	0		(1)
Total other comprehensive income (loss), before tax	16	(321)	15	(303)
Income tax benefit (expense) related to items of other comprehensive income (loss), before tax	(3)	9	(3)	3
Other comprehensive income (loss), net of tax	13	(312)	12	(300)
Total comprehensive loss	(810)	(77)	(130)	(431)
Guarantor Subsidiaries
Condensed Statement of Income Captions [Line Items]
Net income (loss)	(762)	184	43	169
Actuarial pension gain		1	0	6
Foreign currency translation adjustment	5	(186)	1	(169)
Net unrealized gain (loss) on derivative contracts	3	(136)	6	(140)
Net unrealized loss on available-for-sale securities	0		(1)
Total other comprehensive income (loss), before tax	8	(321)	6	(303)
Income tax benefit (expense) related to items of other comprehensive income (loss), before tax	0	10	0	3
Other comprehensive income (loss), net of tax	8	(311)	6	(300)
Total comprehensive loss	(754)	(127)	49	(131)
Non-Guarantor Subsidiaries
Condensed Statement of Income Captions [Line Items]
Net income (loss)	595	23	1,170	(204)
Actuarial pension gain		1	0	6
Foreign currency translation adjustment	5	(210)	1	(192)
Net unrealized gain (loss) on derivative contracts	3	(132)	6	(136)
Net unrealized loss on available-for-sale securities	0		(1)
Total other comprehensive income (loss), before tax	8	(341)	6	(322)
Income tax benefit (expense) related to items of other comprehensive income (loss), before tax	1	9	(1)	1
Other comprehensive income (loss), net of tax	9	(332)	5	(321)
Total comprehensive loss	604	(309)	1,175	(525)
Eliminations
Condensed Statement of Income Captions [Line Items]
Net income (loss)	167	(207)	(1,213)	35
Actuarial pension gain		(2)	0	(12)
Foreign currency translation adjustment	(10)	396	(2)	361
Net unrealized gain (loss) on derivative contracts	(6)	268	(12)	276
Net unrealized loss on available-for-sale securities	0		2
Total other comprehensive income (loss), before tax	(16)	662	(12)	625
Income tax benefit (expense) related to items of other comprehensive income (loss), before tax	(1)	(19)	1	(4)
Other comprehensive income (loss), net of tax	(17)	643	(11)	621
Total comprehensive loss	$ 150	$ 436	$ (1,224)	$ 656