STOCKHOLDERS’ EQUITY - Schedule of Common Stock Reserved for Future Issuances (Details)	Jun. 30, 2025 shares
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	1,243,362,096
Private Placement Warrants to purchase common stock
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	44,350,000
Stock options outstanding
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	22,073,185
Restricted stock units outstanding
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	94,687,406
Shares available for future grants under equity plans
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	201,788,658
If-converted common shares from 2026 Notes
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	17,525,210
If-converted common shares from 2030 Notes
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	366,666,630
If-converted common shares from Series A redeemable convertible preferred stock
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	311,108,563
If-converted common shares from Series B redeemable convertible preferred stock
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	185,162,444