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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Related Parties and Related Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		12 Months Ended
	May 31, 2019	Oct. 02, 2020	Oct. 04, 2019	Jul. 03, 2020
Related Party Transactions [Abstract]
Accounts payable to related parties		$ 404		$ 407
Investment funding commitments		50.00%
Costs associated with underutilized capacity as a result of unexpected power outage incident			$ 68
Partial insurance recovery of business interruption		$ 30
Western Digital Corp \| Minimum
Related Party Transactions [Abstract]
Investment funding commitments		49.90%
Western Digital Corp \| Maximum
Related Party Transactions [Abstract]
Investment funding commitments		50.00%
Flash Ventures
Related Party Transactions [Abstract]
Investments in Flash Ventures		$ (981)	$ (682)
Accounts payable to related parties		404		$ 407
Flash Ventures
Related Party Transactions [Abstract]
Remaining committed prepayments		$ 178
Unis Venture
Related Party Transactions [Abstract]
Equity method investment, ownership percentage		49.00%
Unissoft (Wuxi) Group Co Ltd. \| Unis Venture
Related Party Transactions [Abstract]
Partner's ownership in venture business		51.00%
Prepayments of Future Depreciation \| Flash Ventures
Related Party Transactions [Abstract]
Other commitment	$ 360
Other commitment, period	3 years
Revenue from Contract with Customer \| Unis Venture \| Product Concentration Risk
Related Party Transactions [Abstract]
Concentration risk, percentage		2.00%	1.00%
Accounts Receivable \| Product Concentration Risk \| Unis Venture
Related Party Transactions [Abstract]
Concentration risk, percentage		6.00%		4.00%