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Business Segment, Revenue Information, Geographic Information and Concentration of Risk - Revenue by End Market and Form Factor (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 03, 2020 | Apr. 03, 2020 | Jan. 03, 2020 | Oct. 04, 2019 | Jun. 28, 2019 | Mar. 29, 2019 | Dec. 28, 2018 | Sep. 28, 2018 | Jul. 03, 2020 | Jun. 28, 2019 | Jun. 29, 2018
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue, net | $ 4,287 | $ 4,175 | $ 4,234 | $ 4,040 | $ 3,634 | $ 3,674 | $ 4,233 | $ 5,028 | $ 16,736 | $ 16,569 | $ 20,647
Client Devices |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue, net |  |  |  |  |  |  |  |  | 7,160 | 8,095 | 10,108
Data Center Devices & Solutions |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue, net |  |  |  |  |  |  |  |  | 6,228 | 5,038 | 6,075
Client Solutions |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue, net |  |  |  |  |  |  |  |  | 3,348 | 3,436 | 4,464
HDD |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue, net |  |  |  |  |  |  |  |  | 8,967 | 8,746 | 10,698
Flash-based |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue, net |  |  |  |  |  |  |  |  | $ 7,769 | $ 7,823 | $ 9,949

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