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Related Parties and Related Commitments and Contingencies - Additional Information (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2021 USD ($) entity	Jan. 01, 2021 USD ($)	Dec. 31, 2021 USD ($) entity	Jan. 01, 2021 USD ($)	Jul. 02, 2021 USD ($)
Guarantor Obligations [Line Items]
Number of legal entities \| entity	3		3
Accounts payable to related parties	$ 389		$ 389		$ 398
Investment funding commitments, percentage	50.00%		50.00%
Insurance recovery recorded in cost of revenue		$ 45		$ 75
Western Digital Corp \| Minimum
Guarantor Obligations [Line Items]
Investment funding commitments, percentage	49.90%		49.90%
Western Digital Corp \| Maximum
Guarantor Obligations [Line Items]
Investment funding commitments, percentage	50.00%		50.00%
Flash Ventures
Guarantor Obligations [Line Items]
Investments in flash ventures	$ 1,110	$ 1,210	$ 2,300	$ 2,190
Accounts payable to related parties	$ 389		$ 389		$ 398
Unis Venture
Guarantor Obligations [Line Items]
Equity method investment, ownership percentage	49.00%		49.00%
Unissoft (Wuxi) Group Co Ltd. \| Unis Venture
Guarantor Obligations [Line Items]
Partner's ownership in venture business	51.00%		51.00%
Revenue from Contract with Customer \| Unis Venture \| Product Concentration Risk
Guarantor Obligations [Line Items]
Concentration risk, percentage	4.00%	3.00%	4.00%	3.00%
Accounts Receivable Benchmark \| Product Concentration Risk \| Unis Venture
Guarantor Obligations [Line Items]
Concentration risk, percentage			7.00%		6.00%