v3.25.4
Stockholders' Equity and Noncontrolling Interests - Preferred and Common Stock (Details)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Feb. 28, 2025
USD ($)
shares
Dec. 31, 2025
USD ($)
vote
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Jan. 27, 2026
USD ($)
Class of Stock [Line Items]          
Preferred stock shares authorized (in shares) | shares   2,000,000,000.0      
Common stock shares authorized (in shares) | shares   5,000,000,000.0      
Preferred stock shares issued | shares   0 0    
Preferred stock shares outstanding (in shares) | shares   0 0    
Common stock shares outstanding (in shares) | shares   904,000,000 995,000,000    
Common stock number of shares issued (in shares) | shares   904,000,000 995,000,000    
Dividends declared per common share (in dollars per share) | $ / shares   $ 0.57 $ 0.48 $ 0.36  
Cash dividends paid on common stock   $ 538 $ 530 $ 477  
Number of votes per share | vote   1      
Stock repurchased and retired during period   $ 6,012 7,064 11,115  
Cruise Preferred Shares          
Class of Stock [Line Items]          
Increase in equity due to preferred stock redemption   538 1,000    
GM Cruise Holdings LLC          
Class of Stock [Line Items]          
Net income attributable to shareholders and transfers to the noncontrolling interests   $ 3,200 7,000 10,300  
Accumulated Other Comprehensive Loss          
Class of Stock [Line Items]          
Decrease in additional paid-in capital     $ 900    
Accelerated Share Repurchase          
Class of Stock [Line Items]          
Capacity under common stock repurchase plan $ 2,000     $ 10,000  
Shares repurchased and retired during period | shares   43,000,000 29,000,000 215,000,000  
Amount advanced during period $ 2,000        
Common shares purchased during period (in shares) | shares 33,000,000        
Stock repurchased and retired during period $ 1,600        
Common Stock Repurchase Program          
Class of Stock [Line Items]          
Capacity under common stock repurchase plan 6,300        
Shares repurchased and retired during period | shares   61,000,000 140,000,000 30,000,000  
Increased capacity under common stock repurchase plan $ 6,000        
Stock repurchased and retired during period   $ 4,000 $ 7,100 $ 1,100  
Common Stock Repurchase Program | Subsequent Event          
Class of Stock [Line Items]          
Capacity under common stock repurchase plan         $ 6,300
Increased capacity under common stock repurchase plan         $ 6,000