Transactions With Total and Total Energies SE - Affiliation Agreement (Details)		9 Months Ended
	Oct. 03, 2021	Oct. 03, 2021	Oct. 29, 2021 director member	Apr. 19, 2021 member
Total
Related Party Transaction [Line Items]
Ownership after sale of stock, percentage	51.00%
Standstill Agreements | Total
Related Party Transaction [Line Items]
Ownership after sale of stock, percentage		15.00%
Limitations on transfer of outstanding shares, percentage		0.40
Standstill Agreements | Total | Maximum | Sunpower Acquisition by Total
Related Party Transaction [Line Items]
Percentage of voting interests acquired in business acquisition	100.00%	100.00%
April Affiliation Agreement Amendment
Related Party Transaction [Line Items]
Number of members included				11
April Affiliation Agreement Amendment | Director
Related Party Transaction [Line Items]
Number of members designated by total				6
Number of board members not designated by total				3
October Affiliation Agreement Amendment | Subsequent Event
Related Party Transaction [Line Items]
Number of members included			11
Remaining number of members			9
Number of members resigned, designated by total			1
October Affiliation Agreement Amendment | Director | Subsequent Event
Related Party Transaction [Line Items]
Independent director | director			1
Additional independent directors resigned | director			1