v3.25.4

Related Parties and Related Commitments and Contingencies - Sale of Majority Interest (Details) $ in Millions					3 Months Ended		6 Months Ended		12 Months Ended
	Jan. 06, 2025 USD ($)	Oct. 01, 2024 USD ($)	Sep. 29, 2024 USD ($)	Sep. 28, 2024 USD ($) installment	Jan. 02, 2026 USD ($)	Dec. 27, 2024 USD ($)	Jan. 02, 2026 USD ($)	Dec. 27, 2024 USD ($)	Jul. 03, 2026 USD ($)
Related Party Transaction [Line Items]
Gain (loss) sale of business divestiture					$ 0	$ 34	$ (10)	$ 34
Proceeds from dispositions of business							$ 25	$ 191
SanDisk Semiconductor (Shanghai) Co. Ltd.
Related Party Transaction [Line Items]
Commitment term			5 years
Purchase commitment amount			$ 550
Renewal term							1 year
SanDisk Semiconductor (Shanghai) Co. Ltd. \| Certain Flash-Based Products
Related Party Transaction [Line Items]
Commitment purchases					138		$ 277
Accounts payable					159		159
SanDisk Semiconductor (Shanghai) Co. Ltd.
Related Party Transaction [Line Items]
Ownership percentage				20.00%
Equity investment				$ 163	158		158
Disposed of by sale \| SanDisk Semiconductor (Shanghai) Co. Ltd.
Related Party Transaction [Line Items]
Ownership percentage sold				80.00%
Gain (loss) sale of business divestiture				$ 34	(10)
Cash and cash equivalents				71
Goodwill				382
Disposal consideration				$ 659
Proceeds from dispositions of business	$ 210	$ 262
Number of installment payments \| installment				5
Installment payment				$ 37			27
Consideration receivable					135		135
Present value discount					15		$ 15
Term of effective interest method							4 years
Disposed of by sale \| SanDisk Semiconductor (Shanghai) Co. Ltd. \| Other current assets
Related Party Transaction [Line Items]
Consideration receivable					36		$ 36
Disposed of by sale \| SanDisk Semiconductor (Shanghai) Co. Ltd. \| Other noncurrent assets
Related Party Transaction [Line Items]
Consideration receivable					$ 99		$ 99
Disposed of by sale \| SanDisk Semiconductor (Shanghai) Co. Ltd. \| Forecast
Related Party Transaction [Line Items]
Proceeds from dispositions of business									$ 187

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Sandisk Corp 10-Q