v3.26.3
Revenue Recognition - Summary of Revenues Disaggregated Based on Major Type of Good or Service and by Reportable Operating Segment (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Disaggregation of Revenue [Line Items]        
Total revenue $ 1,059.1 $ 857.5 $ 2,788.6 $ 2,338.7
CNK [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 1,059.1 857.5 2,788.6 2,338.7
Admissions Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 530.8 429.7 1,382.2 1,160.9
Concession Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 413.9 336.7 1,102.4 924.8
Concession Revenue | CNK [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 413.9 336.7 1,102.4 924.8
Screen Advertising, Screen Rental and Promotional Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 44.9 39.8 123.4 111.3
Other Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 69.5 51.3 180.6 141.7
US Reportable Segment        
Disaggregation of Revenue [Line Items]        
Total revenue [1] 817.5 683.6 2,192.2 1,860.0
US Reportable Segment | Admissions Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue [1] 417.3 348.5 1,105.5 939.5
US Reportable Segment | Concession Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue [1] 323.8 272.4 879.5 744.4
US Reportable Segment | Screen Advertising, Screen Rental and Promotional Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue [1] 26.2 24.4 74.3 69.9
US Reportable Segment | Other Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue [1] 50.2 38.3 132.9 106.2
International Reportable Segment        
Disaggregation of Revenue [Line Items]        
Total revenue 241.6 173.9 596.4 478.7
International Reportable Segment | Admissions Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 113.5 81.2 276.7 221.4
International Reportable Segment | Concession Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 90.1 64.3 222.9 180.4
International Reportable Segment | Screen Advertising, Screen Rental and Promotional Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 18.7 15.4 49.1 41.4
International Reportable Segment | Other Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue $ 19.3 $ 13.0 $ 47.7 $ 35.5
[1] U.S. segment revenue excludes intercompany transactions with the international reportable segment. See Note 15 for the amount of intercompany eliminations for the periods presented.