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Employee Termination and Other Charges - Additional Information (Detail) - USD ($) $ in Millions | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 31, 2023 | Dec. 27, 2024 | Dec. 29, 2023 | Jun. 28, 2024 | Jun. 30, 2023 | Jul. 01, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Gain (Loss) on Disposition of Other Assets |  | $ 1 | $ 60 |  |  |
Sale leaseback gain |  | $ 60 |  |  |  |
The Flash Business of Western Digital Corporation [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Gain (Loss) on Sale of Assets and Asset |  |  |  | $ 5 |  |
Gain (Loss) on Disposition of Other Assets |  |  |  | 60 | $ 0 | $ (3)
Gain loss on divestitures business |  |  |  |  |  | 9
Sale leaseback gain | $ 60 |  |  | $ 60 |  |
The Flash Business of Western Digital Corporation [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Gain (Loss) on Disposition of Other Assets |  |  |  |  | $ 1 | $ 3

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