Separate Financial Information of Guarantor Subsidiaries - Condensed Consolidating Balance Sheet (Details) - USD ($) $ in Millions	Oct. 04, 2019	Jun. 28, 2019	Sep. 28, 2018	Jun. 29, 2018
Current assets:
Cash and cash equivalents	$ 3,248	$ 3,455
Accounts receivable, net	1,448	1,204
Intercompany receivables	0	0
Inventories	3,287	3,283
Loans due from consolidated affiliates	0	0
Other current assets	517	535
Total current assets	8,500	8,477
Non-current assets:
Property, plant and equipment, net	2,796	2,843
Notes receivable and investments in Flash Ventures	2,629	2,791
Goodwill	10,090	10,076
Other intangible assets, net	1,514	1,711
Investments in consolidated subsidiaries	0	0
Loans due from consolidated affiliates	0	0
Other non-current assets	751	472
Total assets	26,280	26,370
Current liabilities:
Accounts payable	1,724	1,567
Accounts payable to related parties	507	331
Intercompany payables	0	0
Accrued expenses	1,374	1,296
Accrued compensation	432	347
Loans due to consolidated affiliates	0	0
Current portion of long-term debt	251	276
Total current liabilities	4,288	3,817
Non-current liabilities:
Long-term debt	9,961	10,246
Loans due to consolidated affiliates	0	0
Other liabilities	2,465	2,340
Total liabilities	16,714	16,403
Shareholders’ equity:
Total shareholders’ equity	9,566	9,967	$ 11,375	$ 11,531
Total liabilities and shareholders’ equity	26,280	26,370
Parent
Current assets:
Cash and cash equivalents	7	8
Accounts receivable, net	0	0
Intercompany receivables	2,514	2,409
Inventories	0	0
Loans due from consolidated affiliates	0	0
Other current assets	0	2
Total current assets	2,521	2,419
Non-current assets:
Property, plant and equipment, net	0	0
Notes receivable and investments in Flash Ventures	0	0
Goodwill	0	0
Other intangible assets, net	0	0
Investments in consolidated subsidiaries	20,616	20,772
Loans due from consolidated affiliates	0	0
Other non-current assets	58	60
Total assets	23,195	23,251
Current liabilities:
Accounts payable	0	0
Accounts payable to related parties	0	0
Intercompany payables	2,067	1,871
Accrued expenses	174	195
Accrued compensation	0	0
Loans due to consolidated affiliates	0	0
Current portion of long-term debt	251	276
Total current liabilities	2,492	2,342
Non-current liabilities:
Long-term debt	9,927	10,213
Loans due to consolidated affiliates	1,141	674
Other liabilities	69	55
Total liabilities	13,629	13,284
Shareholders’ equity:
Total shareholders’ equity	9,566	9,967
Total liabilities and shareholders’ equity	23,195	23,251
Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	579	985
Accounts receivable, net	1,031	779
Intercompany receivables	6,248	5,808
Inventories	797	990
Loans due from consolidated affiliates	0	0
Other current assets	263	251
Total current assets	8,918	8,813
Non-current assets:
Property, plant and equipment, net	857	873
Notes receivable and investments in Flash Ventures	0	0
Goodwill	390	388
Other intangible assets, net	19	23
Investments in consolidated subsidiaries	15,884	16,355
Loans due from consolidated affiliates	1,164	674
Other non-current assets	237	51
Total assets	27,469	27,177
Current liabilities:
Accounts payable	166	195
Accounts payable to related parties	42	0
Intercompany payables	3,702	3,515
Accrued expenses	689	522
Accrued compensation	263	214
Loans due to consolidated affiliates	58	50
Current portion of long-term debt	0	0
Total current liabilities	4,920	4,496
Non-current liabilities:
Long-term debt	0	0
Loans due to consolidated affiliates	0	0
Other liabilities	1,853	1,795
Total liabilities	6,773	6,291
Shareholders’ equity:
Total shareholders’ equity	20,696	20,886
Total liabilities and shareholders’ equity	27,469	27,177
Non-Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	2,662	2,462
Accounts receivable, net	417	425
Intercompany receivables	1,738	1,581
Inventories	2,602	2,438
Loans due from consolidated affiliates	58	50
Other current assets	254	282
Total current assets	7,731	7,238
Non-current assets:
Property, plant and equipment, net	1,939	1,970
Notes receivable and investments in Flash Ventures	2,629	2,791
Goodwill	9,700	9,688
Other intangible assets, net	1,495	1,688
Investments in consolidated subsidiaries	0	0
Loans due from consolidated affiliates	0	0
Other non-current assets	456	361
Total assets	23,950	23,736
Current liabilities:
Accounts payable	1,558	1,372
Accounts payable to related parties	465	331
Intercompany payables	4,731	4,412
Accrued expenses	511	579
Accrued compensation	169	133
Loans due to consolidated affiliates	0	0
Current portion of long-term debt	0	0
Total current liabilities	7,434	6,827
Non-current liabilities:
Long-term debt	34	33
Loans due to consolidated affiliates	23	0
Other liabilities	543	490
Total liabilities	8,034	7,350
Shareholders’ equity:
Total shareholders’ equity	15,916	16,386
Total liabilities and shareholders’ equity	23,950	23,736
Eliminations
Current assets:
Cash and cash equivalents	0	0
Accounts receivable, net	0	0
Intercompany receivables	(10,500)	(9,798)
Inventories	(112)	(145)
Loans due from consolidated affiliates	(58)	(50)
Other current assets	0	0
Total current assets	(10,670)	(9,993)
Non-current assets:
Property, plant and equipment, net	0	0
Notes receivable and investments in Flash Ventures	0	0
Goodwill	0	0
Other intangible assets, net	0	0
Investments in consolidated subsidiaries	(36,500)	(37,127)
Loans due from consolidated affiliates	(1,164)	(674)
Other non-current assets	0	0
Total assets	(48,334)	(47,794)
Current liabilities:
Accounts payable	0	0
Accounts payable to related parties	0	0
Intercompany payables	(10,500)	(9,798)
Accrued expenses	0	0
Accrued compensation	0	0
Loans due to consolidated affiliates	(58)	(50)
Current portion of long-term debt	0	0
Total current liabilities	(10,558)	(9,848)
Non-current liabilities:
Long-term debt	0	0
Loans due to consolidated affiliates	(1,164)	(674)
Other liabilities	0	0
Total liabilities	(11,722)	(10,522)
Shareholders’ equity:
Total shareholders’ equity	(36,612)	(37,272)
Total liabilities and shareholders’ equity	$ (48,334)	$ (47,794)