v3.22.4
Stockholders' Equity and Noncontrolling Interests - Preferred and Common Stock (Details)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
Mar. 31, 2022
USD ($)
Dec. 31, 2022
USD ($)
vote
$ / shares
shares
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Aug. 31, 2022
USD ($)
Jun. 30, 2022
USD ($)
Class of Stock [Line Items]              
Preferred stock shares authorized | shares     2,000,000,000        
Common stock shares authorized | shares     5,000,000,000        
Preferred stock shares outstanding | shares     0 0      
Common stock number of shares issued | shares     1,400,000,000 1,500,000,000      
Common stock shares outstanding | shares     1,400,000,000 1,500,000,000      
Dividends declared per common share (in dollars per share) | $ / shares     $ 0.18   $ 0.38    
Cash dividends paid on common stock     $ 257   $ 545    
Number of votes per share | vote     1        
Common shares purchased during period (in shares) | shares     0   3,000,000    
Amount of common stock purchased during period     $ 2,500   $ 90    
Cruise Stock Incentive Awards              
Class of Stock [Line Items]              
Cash used to settle awards   $ 0 $ 600        
Common Stock Repurchase Program              
Class of Stock [Line Items]              
Increased capacity under common stock repurchase plan           $ 5,000  
Remaining authorized repurchase amount             $ 3,300
Common shares purchased during period (in shares) | shares     64,000,000        
Amount of common stock purchased during period     $ 2,500        
Fixed-to-Floating Rate Cumulative Perpetual Preferred Stock, Series B | GM Financial              
Class of Stock [Line Items]              
Preferred stock issued         $ 500    
Preferred stock par value (in dollars per share) | $ / shares         $ 0.01    
Liquidation preference of preferred stock per share (in dollars per share) | $ / shares         $ 1,000    
Annual dividend rate         5.70%    
Common Class B              
Class of Stock [Line Items]              
Recorded value of vested awards     60        
Common Class B | Cruise Stock Incentive Awards              
Class of Stock [Line Items]              
Cash used to settle awards     600        
Cruise Preferred Shares              
Class of Stock [Line Items]              
Decrease in equity due to preferred stock redemption     700        
GM Cruise              
Class of Stock [Line Items]              
Payments to acquire additional investment     1,350        
Net income attributable to shareholders and transfers to the noncontrolling interests     9,200        
GM Cruise | Series G Preferred Shares | Microsoft and other investors              
Class of Stock [Line Items]              
Proceeds from sale of stock       $ 2,700      
GM Cruise | Series G Preferred Shares | General Motors Holdings LLC              
Class of Stock [Line Items]              
Proceeds from sale of stock       $ 1,000      
GM Cruise | Cruise Class A-1, Class F and Class G Preferred Shares | SoftBank              
Class of Stock [Line Items]              
Payments for repurchase of equity $ 2,100            
GM Cruise | Common Class B              
Class of Stock [Line Items]              
Amount of stock issued during period     800        
Payments for statutory tax withholdings     $ 500        
GM Cruise              
Class of Stock [Line Items]              
Payments to acquire additional investment $ 1,350