Capital Stock - Schedule of Common Stock for Outstanding Warrants (Details) - $ / shares

9 Months Ended

Sep. 28, 2025

Sep. 29, 2024

Public Warrants [Member]

Liability classified warrants

Potential shares of common stock

6,266,667

Exercise price per share (in Dollars per share)

$ 11.5

Expiration date

^[1]

July 18, 2028 (1)

Private Placement Warrants [Member]

Liability classified warrants

Potential shares of common stock

8,625,000

Exercise price per share (in Dollars per share)

$ 11.5

Expiration date

^[1]

July 18, 2028 (1)

Working Capital Warrants [Member]

Liability classified warrants

Potential shares of common stock

716,668

Exercise price per share (in Dollars per share)

$ 11.5

Expiration date

^[1]

July 18, 2028 (1)

Liability Classified Warrants [Member]

Liability classified warrants

Potential shares of common stock

15,608,335

Series B Warrants [Member]

Liability classified warrants

Potential shares of common stock

5,054

Exercise price per share (in Dollars per share)

$ 4.3

Expiration date

February 2026

Series C Warrants [Member]

Liability classified warrants

Potential shares of common stock

482,969

Exercise price per share (in Dollars per share)

$ 1

Expiration date

July 2026

Series C-1 Warrants [Member]

Liability classified warrants

Potential shares of common stock

173,067

Exercise price per share (in Dollars per share)

$ 0.01

Expiration date

January 2030

SVB Common Stock Warrants [Member]

Liability classified warrants

Potential shares of common stock

2,473

Exercise price per share (in Dollars per share)

$ 0.38

Expiration date

2033

SVB Common Stock Warrants [Member]

Liability classified warrants

Potential shares of common stock

2,525

Exercise price per share (in Dollars per share)

$ 0.62

Expiration date

2033

Promissory Note Common Stock Warrants [Member]

Liability classified warrants

Potential shares of common stock

24,148

Exercise price per share (in Dollars per share)

$ 0.01

Expiration date

October 2031

July 2023 Common Stock Warrants [Member]

Liability classified warrants

Potential shares of common stock

38,981

Exercise price per share (in Dollars per share)

$ 0.01

Expiration date

July 2028

Common Stock Warrants Issued in 2023 [Member]

Liability classified warrants

Potential shares of common stock

6,266,572

Exercise price per share (in Dollars per share)

$ 11.5

Expiration date

July 18, 2033

Ayna Warrant [Member]

Liability classified warrants

Potential shares of common stock

6,000,000

Exercise price per share (in Dollars per share)

$ 0.01

Expiration date

June 2029

Cantor Warrant [Member]

Liability classified warrants

Potential shares of common stock

3,066,141

Exercise price per share (in Dollars per share)

$ 1.68

Expiration date

June 2029

Equity classified warrants [Member]

Liability classified warrants

Potential shares of common stock

10,061,930

16,061,930

Total potential shares of common stock [Member]

Liability classified warrants

Potential shares of common stock

25,670,265

31,670,265

[1]	The warrants expire five years after the Closing date of the Mergers, which date was July 18, 2023, or earlier upon redemption or liquidation.

SunPower Inc. S-1