v3.26.3
Segment Reporting (Reconciliation of Operating Cash Flow to Earnings from Continuing Operations) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Share-based compensation expense $ (57.7) $ (46.6) $ (138.7) $ (129.4)
Depreciation and amortization (528.8) (275.9) (1,056.1) (758.9)
Impairment, restructuring and other operating items, net (34.2) (22.0) (90.5) (25.8)
Operating income (loss) (18.1) (8.0) 8.7 82.3
Interest expense (274.2) (123.3) (503.8) (380.3)
Realized and unrealized gains (losses) on derivative instruments, net 325.8 (46.4) 476.2 (617.1)
Foreign currency transaction gains (losses), net (59.6) 10.0 248.0 (3,160.9)
Realized and unrealized gains (losses) due to changes in fair values of certain investments, net (24.9) 64.4 188.3 175.5
Share of results of affiliates, net (191.2) (43.3) (502.8) (455.9)
Gain associated with the VodafoneZiggo Acquisition 121.6 0.0 121.6 0.0
Other income, net 16.0 16.3 57.8 59.9
Earnings (loss) before income taxes (104.6) (130.3) $ 94.0 (4,296.5)
Performance measures percentage of segment revenue and operating cash flow presented     100.00%  
Nonconsolidated JV        
Segment Reporting [Line Items]        
Adjusted EBITDA 1,377.3 1,772.5 $ 4,601.5 4,978.0
Third-party and affiliate        
Segment Reporting [Line Items]        
Adjusted EBITDA 2,050.0 2,173.2 6,029.8 6,096.8
Third-party and affiliate | Ziggo Group        
Segment Reporting [Line Items]        
Adjusted EBITDA 674.8 720.4 2,007.8 2,021.0
Third-party and affiliate | Wyre        
Segment Reporting [Line Items]        
Adjusted EBITDA 138.9 160.7 434.8 459.4
Third-party and affiliate | VM Ireland        
Segment Reporting [Line Items]        
Adjusted EBITDA 28.5 41.8 107.3 120.4
Third-party and affiliate | VMO2 JV (nonconsolidated)        
Segment Reporting [Line Items]        
Adjusted EBITDA 1,207.8 1,250.3 3,479.9 3,496.0
Central and other        
Segment Reporting [Line Items]        
Adjusted EBITDA 50.7 54.2 94.7 92.4
Intersegment        
Segment Reporting [Line Items]        
Adjusted EBITDA $ 19.4 $ 10.0 $ 39.6 $ 30.0