v3.26.3
Segment Reporting - Schedule of Capital Expenditures of Reportable Segments (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]    
Total property and equipment additions $ 458.7 $ 419.8
Assets acquired under capital-related vendor financing arrangements (125.9) (88.9)
Changes in current liabilities related to capital expenditures and other 28.1 27.3
Total capital expenditures, net 360.9 358.2
Corporate    
Segment Reporting [Line Items]    
Total property and equipment additions 21.6 17.8
Liberty Caribbean | Operating Segments    
Segment Reporting [Line Items]    
Total property and equipment additions 149.8 136.9
C&W Panama | Operating Segments    
Segment Reporting [Line Items]    
Total property and equipment additions 73.8 64.7
Liberty Networks | Operating Segments    
Segment Reporting [Line Items]    
Total property and equipment additions 51.5 50.1
Liberty Puerto Rico | Operating Segments    
Segment Reporting [Line Items]    
Total property and equipment additions 104.0 94.1
Liberty Costa Rica | Operating Segments    
Segment Reporting [Line Items]    
Total property and equipment additions $ 58.0 $ 56.2