v3.26.1
Segment Reporting - Schedule of Revenue by Geographic Segments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Total programming and other direct costs of services $ 229.0 $ 232.4 $ 464.5 $ 465.0
Project-related and other 33.6 25.7 71.2 53.4
Total programming and other direct costs of services 229.0 232.4 464.5 465.0
Personnel and contract labor-related 141.0 140.2 287.1 287.4
Network-related 55.6 55.2 111.5 109.5
Service-related 63.4 60.9 124.3 121.3
Commercial 41.6 44.7 84.8 90.3
Facility, provision, franchise and other 136.0 138.3 272.1 275.1
Total significant other operating costs and expenses 437.6 439.3 879.8 883.6
Total significant expenses 666.6 671.7 1,344.3 1,348.6
Programming and copyright        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 57.2 57.5 108.5 115.1
Interconnect        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 61.5 66.2 125.2 132.9
Equipment        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 76.7 83.0 159.6 163.6
Operating Segments | Liberty Caribbean        
Segment Reporting [Line Items]        
Project-related and other 13.5 13.0 25.8 23.9
Total programming and other direct costs of services 56.7 54.1 105.2 105.6
Personnel and contract labor-related 49.3 48.7 100.1 97.1
Network-related 30.8 30.2 63.3 60.2
Service-related 18.9 15.3 36.0 33.0
Commercial 8.0 8.6 14.5 17.0
Facility, provision, franchise and other 33.5 35.6 69.2 70.2
Total significant other operating costs and expenses 140.5 138.4 283.1 277.5
Total significant expenses 197.2 192.5 388.3 383.1
Operating Segments | C&W Panama        
Segment Reporting [Line Items]        
Project-related and other 13.7 11.3 27.3 25.8
Total programming and other direct costs of services 48.4 49.1 96.8 99.9
Personnel and contract labor-related 16.7 17.4 36.3 35.8
Network-related 12.5 12.2 24.9 24.6
Service-related 6.8 4.8 12.0 9.4
Commercial 8.9 8.2 18.1 17.1
Facility, provision, franchise and other 18.2 17.0 35.2 34.3
Total significant other operating costs and expenses 63.1 59.6 126.5 121.2
Total significant expenses 111.5 108.7 223.3 221.1
Operating Segments | Liberty Networks        
Segment Reporting [Line Items]        
Project-related and other 8.3 4.8 21.8 9.2
Total programming and other direct costs of services 22.0 18.6 48.5 36.2
Personnel and contract labor-related 15.0 13.3 29.6 25.8
Network-related 12.7 11.7 24.4 24.4
Service-related 6.3 2.6 10.7 5.3
Commercial 0.8 0.3 1.2 1.2
Facility, provision, franchise and other 6.9 7.3 15.3 13.4
Total significant other operating costs and expenses 41.7 35.2 81.2 70.1
Total significant expenses 63.7 53.8 129.7 106.3
Operating Segments | Liberty Puerto Rico        
Segment Reporting [Line Items]        
Project-related and other 1.0 0.5 1.8 1.3
Total programming and other direct costs of services 74.0 87.1 159.0 173.0
Personnel and contract labor-related 36.9 36.2 71.4 75.6
Network-related 7.0 10.0 15.0 17.1
Service-related 19.8 20.9 41.7 44.0
Commercial 10.4 11.7 21.8 23.4
Facility, provision, franchise and other 46.7 48.4 91.0 98.1
Total significant other operating costs and expenses 120.8 127.2 240.9 258.2
Total significant expenses 194.8 214.3 399.9 431.2
Operating Segments | Liberty Costa Rica        
Segment Reporting [Line Items]        
Project-related and other 0.1 0.0 0.1 1.2
Total programming and other direct costs of services 34.5 32.1 67.4 67.9
Personnel and contract labor-related 9.5 8.7 18.9 17.1
Network-related 11.4 10.2 22.4 20.4
Service-related 8.9 6.6 16.9 12.7
Commercial 13.4 15.8 29.1 31.5
Facility, provision, franchise and other 27.0 23.9 51.6 47.0
Total significant other operating costs and expenses 70.2 65.2 138.9 128.7
Total significant expenses 104.7 97.3 206.3 196.6
Operating Segments | Programming and copyright | Liberty Caribbean        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 18.0 16.2 29.8 32.1
Operating Segments | Programming and copyright | C&W Panama        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 4.4 5.1 9.7 10.4
Operating Segments | Programming and copyright | Liberty Networks        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 0.0 0.0 0.0 0.0
Operating Segments | Programming and copyright | Liberty Puerto Rico        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 24.2 26.6 48.6 54.0
Operating Segments | Programming and copyright | Liberty Costa Rica        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 10.7 9.5 20.5 18.6
Operating Segments | Interconnect | Liberty Caribbean        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 14.7 15.6 29.4 30.0
Operating Segments | Interconnect | C&W Panama        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 15.2 16.0 30.6 32.9
Operating Segments | Interconnect | Liberty Networks        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 13.6 13.6 26.5 26.7
Operating Segments | Interconnect | Liberty Puerto Rico        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 16.5 20.2 34.5 41.0
Operating Segments | Interconnect | Liberty Costa Rica        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 4.9 5.6 10.9 11.9
Operating Segments | Equipment | Liberty Caribbean        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 10.5 9.3 20.2 19.6
Operating Segments | Equipment | C&W Panama        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 15.1 16.7 29.2 30.8
Operating Segments | Equipment | Liberty Networks        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 0.1 0.2 0.2 0.3
Operating Segments | Equipment | Liberty Puerto Rico        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 32.3 39.8 74.1 76.7
Operating Segments | Equipment | Liberty Costa Rica        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 18.8 17.0 35.9 36.2
Corporate        
Segment Reporting [Line Items]        
Project-related and other 0.0 0.0 0.0 0.0
Total programming and other direct costs of services 0.0 0.0 0.0 0.0
Personnel and contract labor-related 13.1 15.1 29.8 35.2
Network-related 0.0 0.0 0.0 0.0
Service-related 3.1 11.9 8.6 19.2
Commercial 0.0 0.0 0.0 0.0
Facility, provision, franchise and other 4.5 6.0 10.6 12.1
Total significant other operating costs and expenses 20.7 33.0 49.0 66.5
Total significant expenses 20.7 33.0 49.0 66.5
Corporate | Programming and copyright        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 0.0 0.0 0.0 0.0
Corporate | Interconnect        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 0.0 0.0 0.0 0.0
Corporate | Equipment        
Segment Reporting [Line Items]        
Total programming and other direct costs of services 0.0 0.0 0.0 0.0
Intersegment eliminations        
Segment Reporting [Line Items]        
Project-related and other (3.0) (3.9) (5.6) (8.0)
Total programming and other direct costs of services (6.6) (8.6) (12.4) (17.6)
Personnel and contract labor-related 0.5 0.8 1.0 0.8
Network-related (18.8) (19.1) (38.5) (37.2)
Service-related (0.4) (1.2) (1.6) (2.3)
Commercial 0.1 0.1 0.1 0.1
Facility, provision, franchise and other (0.8) 0.1 (0.8) 0.0
Total significant other operating costs and expenses (19.4) (19.3) (39.8) (38.6)
Total significant expenses (26.0) (27.9) (52.2) (56.2)
Intersegment eliminations | Programming and copyright        
Segment Reporting [Line Items]        
Total programming and other direct costs of services (0.1) 0.1 (0.1) 0.0
Intersegment eliminations | Interconnect        
Segment Reporting [Line Items]        
Total programming and other direct costs of services (3.4) (4.8) (6.7) (9.6)
Intersegment eliminations | Equipment        
Segment Reporting [Line Items]        
Total programming and other direct costs of services $ (0.1) $ 0.0 $ 0.0 $ 0.0