v3.22.0.1
FAIR VALUE MEASUREMENTS - Fair value on a nonrecurring basis (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Sep. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Other Fair Value Measurement Disclosures            
Indefinite-lived intangible assets $ 152.5     $ 146.4 $ 152.5  
Goodwill 2,547.3     2,429.8 2,547.3 $ 4,789.1
Total loss on property owned, net       77.2 177.9 84.3
Current maturities of corporate borrowings, carrying value 20.0     20.0 20.0  
Corporate borrowings, noncurrent, carrying value 5,695.8     5,408.0 5,695.8  
International markets            
Other Fair Value Measurement Disclosures            
Goodwill 750.8     633.3 750.8 1,716.5
Total loss on property owned, net       15.9 25.4 7.7
U.S.            
Other Fair Value Measurement Disclosures            
Goodwill $ 1,796.5     1,796.5 1,796.5 3,072.6
Total loss on property owned, net       $ 61.3 $ 152.5 $ 76.6
Royalty rate | AMC and Odeon | U.S.            
Other Fair Value Measurement Disclosures            
Derivative Asset, Measurement Input 0.5       0.5  
Royalty rate | Nordic | U.S.            
Other Fair Value Measurement Disclosures            
Derivative Asset, Measurement Input 1.0       1.0  
Discount yield | International markets            
Other Fair Value Measurement Disclosures            
Derivative Asset, Measurement Input 12.5 13.0 13.0 11.5 12.5  
Discount yield | U.S.            
Other Fair Value Measurement Disclosures            
Derivative Asset, Measurement Input 11.0 12.0 11.5 10.0 11.0  
Discount yield | AMC | U.S.            
Other Fair Value Measurement Disclosures            
Derivative Asset, Measurement Input 12.0 13.0 12.5   12.0  
Discount yield | Odeon and Nordic | U.S.            
Other Fair Value Measurement Disclosures            
Derivative Asset, Measurement Input 13.5 14.0 14.0   13.5  
Long-term growth rate            
Other Fair Value Measurement Disclosures            
Derivative Asset, Measurement Input 1.0 1.0 2.0 1.0 1.0  
Nonrecurring basis            
Other Fair Value Measurement Disclosures            
Property net $ 20.7 $ 8.5 $ 30.9 $ 21.8 $ 20.7  
Total loss on Operating lease right-of-use assets 37.8 19.6 60.4 53.4    
Definite-lived intangible assets   6.4 8.0      
Indefinite-lived intangible assets 2.3 4.6 8.3   2.3  
Goodwill 405.3 156.8 1,744.3   405.3  
Total loss on property owned, net       2.0    
Cost method investments 8.7   7.2   8.7  
Equity interest investment 8.6       8.6  
Total losses       77.2 2,538.4  
Total Carrying Value.            
Other Fair Value Measurement Disclosures            
Current maturities of corporate borrowings, carrying value 20.0     20.0 20.0  
Corporate borrowings, noncurrent, carrying value 5,695.8     5,408.0 5,695.8  
Total Carrying Value. | Nonrecurring basis            
Other Fair Value Measurement Disclosures            
Property net 25.4 14.3 40.5 22.8 25.4  
Operating lease right-of-use assets 69.0 56.8 124.0 99.2 69.0  
Definite-lived intangible assets     6.6      
Indefinite-lived intangible assets 44.0 43.8 50.3   44.0  
Goodwill 2,547.3 2,874.4 2,938.0   2,547.3  
Property owned, net       2.0    
Cost method investments 11.3       11.3  
Equity interest investment 17.2       17.2  
Total assets at fair value 8,862.9     124.0 8,862.9  
Significant other observable inputs (Level 2)            
Other Fair Value Measurement Disclosures            
Current maturities of corporate borrowings, fair value 12.9     18.1 12.9  
Corporate borrowings, noncurrent, fair value 2,485.9     4,263.5 2,485.9  
Significant unobservable inputs (Level 3)            
Other Fair Value Measurement Disclosures            
Corporate borrowings, noncurrent, fair value 278.0     681.4 278.0  
Significant unobservable inputs (Level 3) | Nonrecurring basis            
Other Fair Value Measurement Disclosures            
Property net 25.4 14.3 40.5 22.8 25.4  
Operating lease right-of-use assets 69.0 56.8 124.0 99.2 69.0  
Definite-lived intangible assets     6.6      
Indefinite-lived intangible assets 44.0 43.8 50.3   44.0  
Goodwill 2,547.3 $ 2,874.4 $ 2,938.0   2,547.3  
Property owned, net       2.0    
Cost method investments 11.3       11.3  
Equity interest investment 17.2       17.2  
Total assets at fair value $ 8,862.9     $ 124.0 $ 8,862.9