Separate Financial Information of Guarantor Subsidiaries - Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jan. 03, 2020	Oct. 04, 2019	Dec. 28, 2018	Sep. 28, 2018	Jan. 03, 2020	Dec. 28, 2018
Condensed Income Statements, Captions [Line Items]
Revenue, net	$ 4,234		$ 4,233		$ 8,274	$ 9,261
Cost of revenue	3,299		3,189		6,581	6,553
Gross profit	935		1,044		1,693	2,708
Operating expenses:
Research and development	578		539		1,152	1,115
Selling, general and administrative	298		309		603	665
Intercompany operating expense (income)	0		0		0	0
Employee termination, asset impairment, and other charges	9		20		17	66
Total operating expenses	885		868		1,772	1,846
Operating income (loss)	50		176		(79)	862
Interest income	8		15		20	30
Interest expense	(105)		(118)		(227)	(234)
Other income, net	7		8		9	6
Total interest and other expense, net	(90)		(95)		(198)	(198)
Income (loss) before taxes	(40)		81		(277)	664
Equity in earnings from subsidiaries	0		0		0	0
Income tax expense (benefit)	99		568		138	640
Net income (loss)	(139)	$ (276)	(487)	$ 511	(415)	24
Parent
Condensed Income Statements, Captions [Line Items]
Revenue, net	0		0		0	0
Cost of revenue	0		0		0	0
Gross profit	0		0		0	0
Operating expenses:
Research and development	0		0		0	0
Selling, general and administrative	0		0		1	1
Intercompany operating expense (income)	4		0		7	0
Employee termination, asset impairment, and other charges	0		0		0	0
Total operating expenses	4		0		8	1
Operating income (loss)	(4)		0		(8)	(1)
Interest income	0		2		0	10
Interest expense	(118)		(118)		(249)	(234)
Other income, net	0		0		0	1
Total interest and other expense, net	(118)		(116)		(249)	(223)
Income (loss) before taxes	(122)		(116)		(257)	(224)
Equity in earnings from subsidiaries	(42)		(468)		(206)	7
Income tax expense (benefit)	(25)		(97)		(48)	(241)
Net income (loss)	(139)		(487)		(415)	24
Guarantor Subsidiaries
Condensed Income Statements, Captions [Line Items]
Revenue, net	3,304		3,392		6,665	6,877
Cost of revenue	2,881		2,942		5,833	5,947
Gross profit	423		450		832	930
Operating expenses:
Research and development	362		334		726	697
Selling, general and administrative	196		214		399	465
Intercompany operating expense (income)	(397)		(347)		(822)	(754)
Employee termination, asset impairment, and other charges	(5)		6		(5)	38
Total operating expenses	156		207		298	446
Operating income (loss)	267		243		534	484
Interest income	16		4		28	7
Interest expense	0		(2)		0	(8)
Other income, net	0		(2)		0	(2)
Total interest and other expense, net	16		0		28	(3)
Income (loss) before taxes	283		243		562	481
Equity in earnings from subsidiaries	(384)		(133)		(844)	212
Income tax expense (benefit)	55		532		94	650
Net income (loss)	(156)		(422)		(376)	43
Non-Guarantor Subsidiaries
Condensed Income Statements, Captions [Line Items]
Revenue, net	4,041		4,857		8,025	9,853
Cost of revenue	3,643		4,215		7,333	8,039
Gross profit	398		642		692	1,814
Operating expenses:
Research and development	216		205		426	418
Selling, general and administrative	102		95		203	199
Intercompany operating expense (income)	393		347		815	754
Employee termination, asset impairment, and other charges	14		14		22	28
Total operating expenses	725		661		1,466	1,399
Operating income (loss)	(327)		(19)		(774)	415
Interest income	5		12		15	24
Interest expense	0		(1)		(1)	(3)
Other income, net	7		8		9	7
Total interest and other expense, net	12		19		23	28
Income (loss) before taxes	(315)		0		(751)	443
Equity in earnings from subsidiaries	0		0		0	0
Income tax expense (benefit)	69		133		92	231
Net income (loss)	(384)		(133)		(843)	212
Eliminations
Condensed Income Statements, Captions [Line Items]
Revenue, net	(3,111)		(4,016)		(6,416)	(7,469)
Cost of revenue	(3,225)		(3,968)		(6,585)	(7,433)
Gross profit	114		(48)		169	(36)
Operating expenses:
Research and development	0		0		0	0
Selling, general and administrative	0		0		0	0
Intercompany operating expense (income)	0		0		0	0
Employee termination, asset impairment, and other charges	0		0		0	0
Total operating expenses	0		0		0	0
Operating income (loss)	114		(48)		169	(36)
Interest income	(13)		(3)		(23)	(11)
Interest expense	13		3		23	11
Other income, net	0		2		0	0
Total interest and other expense, net	0		2		0	0
Income (loss) before taxes	114		(46)		169	(36)
Equity in earnings from subsidiaries	426		601		1,050	(219)
Income tax expense (benefit)	0		0		0	0
Net income (loss)	$ 540		$ 555		$ 1,219	$ (255)