v3.24.4
Stockholders' Equity and Noncontrolling Interests - Preferred and Common Stock (Details)
$ / shares in Units, $ in Millions
 1 Months Ended 12 Months Ended
Dec. 31, 2023
USD ($)
shares
Mar. 31, 2022
USD ($)
Dec. 31, 2024
USD ($)
vote
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Jun. 30, 2024
USD ($)
Nov. 30, 2023
USD ($)
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 outstanding (in shares) | shares 0   0 0      
Common stock shares outstanding (in shares) | shares 1,200,000,000   1,000,000,000.0 1,200,000,000      
Common stock number of shares issued (in shares) | shares 1,200,000,000   1,000,000,000.0 1,200,000,000      
Dividends declared per common share (in dollars per share) | $ / shares     $ 0.48 $ 0.36 $ 0.18    
Cash dividends paid on common stock     $ 530 $ 477 $ 257    
Number of votes per share | vote     1        
Amount of common stock purchased during period     $ 7,064 11,115 2,500    
Accumulated Other Comprehensive Loss              
Class of Stock [Line Items]              
Decrease in additional paid-in capital     900        
Cruise Stock Incentive Awards              
Class of Stock [Line Items]              
Cash used to settle awards     200 300 600    
GM Cruise              
Class of Stock [Line Items]              
Payments to acquire additional investment   $ 1,350          
GM Cruise              
Class of Stock [Line Items]              
Net income attributable to shareholders and transfers to the noncontrolling interests     7,000 10,300 9,200    
Common Class B              
Class of Stock [Line Items]              
Recorded value of vested awards $ 42     42      
Common Class B | Cruise Stock Incentive Awards              
Class of Stock [Line Items]              
Cash used to settle awards     200 300 600    
Common Class B | GM Cruise              
Class of Stock [Line Items]              
Amount of stock issued during period       400 800    
Payments for statutory tax withholdings       $ 200 500    
Cruise Preferred Shares              
Class of Stock [Line Items]              
Decrease in equity due to preferred stock redemption     $ 1,000   $ 700    
SoftBank | Cruise Class A-1, Class F and Class G Preferred Shares | GM Cruise              
Class of Stock [Line Items]              
Payments for repurchase of equity   $ 2,100          
Common Stock Repurchase Program              
Class of Stock [Line Items]              
Increased capacity under common stock repurchase plan           $ 6,000 $ 10,000
Remaining authorized repurchase amount             $ 11,400
Stock repurchased and retired during period $ 6,800            
Shares repurchased and retired during period | shares     29,000,000        
Common shares purchased during period (in shares) | shares 215,000,000   140,000,000 30,000,000 64,000,000    
Amount of common stock purchased during period     $ 7,100 $ 1,100 $ 2,500    
Reduction in additional paid in capital       $ 3,200