v3.22.2.2
STOCKHOLDERS' EQUITY - Equity statements (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2022
Sep. 30, 2021
Increase (Decrease) in Stockholders' Equity                
Balance at the beginning of the period $ (2,326.8) $ (2,178.3) $ (1,789.5) $ (1,404.7) $ (2,287.0) $ (2,858.2) $ (1,789.5) $ (2,858.2)
Net loss (226.9) (121.6) (337.4) (224.2)     (685.9) (1,134.7)
Net loss (226.9)     (224.2) (344.0) (567.2) (685.9) (1,135.4)
Other comprehensive income (loss) (26.0) (46.3) (5.8) (18.8) 21.4 (51.2)    
100% liquidation of Baltics         (22.9)      
Baltics noncontrolling capital contribution           (3.8)    
Class A common stock, accrued dividend equivalent adjustment       0.1 (0.2) (0.1)    
Number of stock issued       (0.1) 989.2 581.6    
Convertible Notes due 2026 stock conversion           606.5    
Taxes paid for restricted unit withholdings     (52.2)          
Stock-based compensation   19.4 6.6 5.0 8.4 5.4    
Stock-based compensation (3.6)              
Balance at the end of the period (2,579.0) (2,326.8) (2,178.3) (1,642.7) (1,404.7) (2,287.0) $ (2,579.0) (1,642.7)
Board of Directors                
Increase (Decrease) in Stockholders' Equity                
Shares awarded             41,650  
RSUs and PSUs vested             2,799,845  
Mudrick Capital Management LP                
Increase (Decrease) in Stockholders' Equity                
Number of stock issued         230.4      
Total AMC Stockholders' Equity (Deficit)                
Increase (Decrease) in Stockholders' Equity                
Balance at the beginning of the period       (1,404.7) (2,309.4) (2,885.1)   (2,885.1)
Net loss       (224.2) (343.6) (566.9)    
Other comprehensive income (loss)       (18.8) 21.4 (51.0)    
100% liquidation of Baltics         (0.9)      
Baltics noncontrolling capital contribution           0.2    
Class A common stock, accrued dividend equivalent adjustment       0.1 (0.2) (0.1)    
Number of stock issued       (0.1) 989.2 581.6    
Convertible Notes due 2026 stock conversion           606.5    
Stock-based compensation       5.0 8.4 5.4    
Balance at the end of the period       (1,642.7) (1,404.7) (2,309.4)   (1,642.7)
Total AMC Stockholders' Equity (Deficit) | Mudrick Capital Management LP                
Increase (Decrease) in Stockholders' Equity                
Number of stock issued         230.4      
Preferred Stock                
Increase (Decrease) in Stockholders' Equity                
Balance at the beginning of the period 0.1 0.1 0.1 0.1 0.1 0.1 $ 0.1 0.1
Balance at the end of the period 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Additional Paid-in Capital                
Increase (Decrease) in Stockholders' Equity                
Balance at the beginning of the period 4,831.1 4,811.7 4,857.4 4,847.3 3,657.0 2,465.5 4,857.4 2,465.5
Baltics noncontrolling capital contribution           0.2    
Number of stock issued       (0.1) 951.6 579.8    
Convertible Notes due 2026 stock conversion           606.1    
Taxes paid for restricted unit withholdings     (52.2)          
Stock-based compensation   19.4 6.5 5.0 8.4 5.4    
Stock-based compensation (3.6)              
Balance at the end of the period 4,831.8 4,831.1 4,811.7 $ 4,852.2 4,847.3 3,657.0 4,831.8 4,852.2
Additional Paid-in Capital | Mudrick Capital Management LP                
Increase (Decrease) in Stockholders' Equity                
Number of stock issued         230.3      
Treasury Stock                
Increase (Decrease) in Stockholders' Equity                
Balance at the beginning of the period         $ (56.4) $ (56.4)   $ (56.4)
Balance (in shares)       (7,465,250) 7,465,250 7,465,250   7,465,250
Number of stock issued         $ 56.4      
Balance at the end of the period           $ (56.4)    
Balance (in shares)         (7,465,250) 7,465,250    
Accumulated Other Comprehensive Income (Loss)                
Increase (Decrease) in Stockholders' Equity                
Balance at the beginning of the period (80.2) (33.9) (28.1) $ 8.2 $ (12.3) $ 38.7 (28.1) $ 38.7
Other comprehensive income (loss) (26.0) (46.3) (5.8) (18.8) 21.4 (51.0)    
100% liquidation of Baltics         (0.9)      
Balance at the end of the period (106.2) (80.2) (33.9) (10.6) 8.2 (12.3) (106.2) (10.6)
Accumulated Earnings (Deficit)                
Increase (Decrease) in Stockholders' Equity                
Balance at the beginning of the period (7,083.0) (6,961.4) (6,624.0) (6,265.4) (5,902.3) (5,335.3) (6,624.0) (5,335.3)
Net loss (226.9) (121.6) (337.4) (224.2) (343.6) (566.9)    
Class A common stock, accrued dividend equivalent adjustment       0.1 (0.2) (0.1)    
Number of stock issued         (19.3)      
Balance at the end of the period $ (7,309.9) (7,083.0) $ (6,961.4) (6,489.5) (6,265.4) (5,902.3) $ (7,309.9) (6,489.5)
Noncontrolling Interests                
Increase (Decrease) in Stockholders' Equity                
Balance at the beginning of the period         22.4 26.9   26.9
Net loss         (0.4) (0.3)    
Other comprehensive income (loss)           (0.2)    
100% liquidation of Baltics         (22.0)      
Baltics noncontrolling capital contribution           (4.0)    
Balance at the end of the period           22.4    
Class A common stock                
Increase (Decrease) in Stockholders' Equity                
Balance (in shares)     513,979,100       513,979,100  
Balance (in shares) 516,820,595           516,820,595  
Class A common stock | Common Stock                
Increase (Decrease) in Stockholders' Equity                
Balance at the beginning of the period $ 5.2 $ 5.2 $ 5.1       $ 5.1  
Balance (in shares) 516,820,595 516,820,595 513,979,100       513,979,100  
Stock-based compensation     $ 0.1          
Stock-based compensation (in shares)     2,841,495          
Balance at the end of the period $ 5.2 $ 5.2 $ 5.2       $ 5.2  
Balance (in shares) 519,520,595 516,820,595 516,820,595       519,520,595  
Class A And Class B Common Stock | Common Stock                
Increase (Decrease) in Stockholders' Equity                
Balance at the beginning of the period       $ 5.1 $ 4.5 $ 2.3   $ 2.3
Balance (in shares)       513,330,240 450,280,240 224,333,033   224,333,033
Number of stock issued         $ 0.5 $ 1.8    
Number of stock issued (In shares)         54,550,000 187,066,293    
Convertible Notes due 2026 stock conversion           $ 0.4    
Convertible Notes due 2026 stock conversion (in shares)           44,422,860    
Wanda forfeit and cancellation of Class B shares (in shares)           (5,666,000)    
Stock-based compensation (in shares)           124,054    
Balance at the end of the period       $ 5.1 $ 5.1 $ 4.5   $ 5.1
Balance (in shares)       513,330,240 513,330,240 450,280,240   513,330,240
Class A And Class B Common Stock | Common Stock | Mudrick Capital Management LP                
Increase (Decrease) in Stockholders' Equity                
Number of stock issued         $ 0.1      
Number of stock issued (In shares)         8,500,000      
Series A Convertible Participating Preferred Stock | Preferred Stock                
Increase (Decrease) in Stockholders' Equity                
Balance (in shares) 5,168,206 5,168,206 5,139,791 5,133,303 4,502,803 2,243,330 5,139,791 2,243,330
Number of stock issued (In shares)         545,500 1,870,663    
Convertible Notes due 2026 stock conversion (in shares)           444,229    
Wanda forfeit and cancellation of Class B shares (in shares)           (56,660)    
Stock-based compensation (in shares)     28,415     1,241    
Balance (in shares) 5,195,206 5,168,206 5,168,206 5,133,303 5,133,303 4,502,803 5,195,206 5,133,303
Series A Convertible Participating Preferred Stock | Preferred Stock | Mudrick Capital Management LP                
Increase (Decrease) in Stockholders' Equity                
Number of stock issued (In shares)         85,000      
AMC Preferred Stock Depository Shares | Preferred Stock                
Increase (Decrease) in Stockholders' Equity                
Balance (in shares) 516,820,595 516,820,595 513,979,100 513,330,240 450,280,240 224,333,033 513,979,100 224,333,033
Number of stock issued (In shares) 2,700,000       54,550,000 187,066,293    
Convertible Notes due 2026 stock conversion (in shares)           44,422,860    
Wanda forfeit and cancellation of Class B shares (in shares)           (5,666,000)    
Stock-based compensation (in shares)     2,841,495     124,054    
Balance (in shares) 519,520,595 516,820,595 516,820,595 513,330,240 513,330,240 450,280,240 519,520,595 513,330,240
AMC Preferred Stock Depository Shares | Preferred Stock | Mudrick Capital Management LP                
Increase (Decrease) in Stockholders' Equity                
Number of stock issued (In shares)         8,500,000      
AMC Preferred Equity Units                
Increase (Decrease) in Stockholders' Equity                
Number of stock issued $ 4.3              
AMC Preferred Equity Units | Board of Directors                
Increase (Decrease) in Stockholders' Equity                
RSUs and PSUs vested             2,841,495  
AMC Preferred Equity Units | Common Stock                
Increase (Decrease) in Stockholders' Equity                
Number of stock issued (In shares) 2,700,000              
AMC Preferred Equity Units | Preferred Stock                
Increase (Decrease) in Stockholders' Equity                
Number of stock issued (In shares) 27,000              
AMC Preferred Equity Units | Additional Paid-in Capital                
Increase (Decrease) in Stockholders' Equity                
Number of stock issued $ 4.3