NET LOSS PER SHARE - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	166,062,662	70,506,414	18,523,592
Private Placement Warrants to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	4,435,000	4,435,000	4,435,000
Options outstanding to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	2,030,874	2,689,410	3,291,114
RSUs outstanding
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	18,245,165	9,698,594	5,712,466
Employee stock purchase plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	5,580,286	2,542,538	1,411,193
If-converted common shares from 2026 Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	372,950	3,673,819	3,673,819
If-converted common shares from 2030 Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	36,666,630	0	0
If-converted common shares from 2031 Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	46,846,313	0	0
If-converted common shares from Series A redeemable convertible preferred stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	32,526,595	29,756,739	0
If-converted common shares from Series B redeemable convertible preferred stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	19,358,849	17,710,314	0

Lucid Group, Inc. 10-K