v3.26.1
Equity Incentive Plans - Additional Information (Details)
$ / shares in Units, shares in Millions, deliveredVehicle in Millions, $ in Millions
3 Months Ended 4 Months Ended 6 Months Ended
Apr. 21, 2026
shares
Sep. 03, 2025
deliveredVehicle
tranche
$ / shares
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
Apr. 20, 2026
USD ($)
Jun. 30, 2026
USD ($)
deliveredVehicle
shares
Jun. 30, 2025
USD ($)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Stock-based compensation expense     $ 1,151 $ 635   $ 2,181 $ 1,208
Stock-based compensation           2,181 1,208
Performance Based Restricted Stock Units And Stock Options              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Nonvested award, probable of achievement, cost not yet recognized, amount     645     645  
Unrecognized compensation expense     $ 3,630     $ 3,630  
Number of shares to purchase or receive (in shares) | shares     19.1     19.1  
Weighted-average period of recognition of unrecognized compensation, in years           3 years  
Stock-based compensation     $ 138 $ 54   $ 274 $ 92
Chief Executive Officer | Restricted Stock              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Forfeiture (in shares) | shares 96.0            
Stock-based compensation expense         $ 0    
Chief Executive Officer | Performance Shares              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Stock-based compensation expense     $ 267     527  
Stock options exercised (in shares) | shares     304.0        
Stock options settled (in shares) | shares     17.5        
Vesting period, in years   5 years          
Number of shares authorized | shares   423.7          
Number of tranches | tranche   12          
Post-milestone service period one   7 years 6 months          
Post-milestone service period two   10 years          
Vesting price (in dollars per share) | $ / shares   $ 334.09          
Share-based payment award, expiration period   10 years          
Nonvested award, probable of achievement, cost not yet recognized, amount     $ 9,820     $ 9,820  
Nonvested award, probable of achievement, cost not yet recognized, period for recognition     9 years 2 months 12 days     9 years 2 months 12 days  
Chief Executive Officer | Performance Shares | Minimum              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Nonvested award, not probable of achievement, cost not yet recognized, amount     $ 105,820     $ 105,820  
Chief Executive Officer | Performance Shares | Maximum              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Nonvested award, not probable of achievement, cost not yet recognized, amount     $ 120,370     $ 120,370  
Chief Executive Officer | Performance Shares | Milestone Number One              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Number of delivered vehicles | deliveredVehicle   20       20