Revenue from Contracts with Customers - Disaggregation of Revenue (Details) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
		Jul. 03, 2022 USD ($)	Jul. 04, 2021 USD ($)	Jul. 03, 2022 USD ($)	Jul. 04, 2021 USD ($)	Dec. 29, 2019 project	Dec. 30, 2018 project
Disaggregation of Revenue [Line Items]
Total revenues	[1]	$ 417,772	$ 260,751	$ 768,049	$ 500,887
Large power plant projects sold | project						2	2
Solar power systems sales
Disaggregation of Revenue [Line Items]
Total revenues		320,294	172,837	591,938	339,164
Component sales
Disaggregation of Revenue [Line Items]
Total revenues		74,542	56,656	134,419	107,388
Light commercial sales
Disaggregation of Revenue [Line Items]
Total revenues		24,569	19,107	38,765	34,825
Services and other
Disaggregation of Revenue [Line Items]
Total revenues		$ (1,633)	$ 12,151	$ 2,927	$ 19,510

[1] We have related-party transactions with TotalEnergies SE and its affiliates, Maxeon Solar, and unconsolidated entities in which we have a direct equity investment. These related-party transactions are recorded within the “total revenues,” “operating expenses: research and development,” “operating expenses: sales, general, and administrative,” “operating expenses: (income) expense transition services agreement, net,” “other income (expense), net: interest expense,” and “(loss) income from discontinued operations before income taxes” financial statement line items in our condensed consolidated statements of operations (see Note 3, Note 10, and Note 12).