Segment Reporting - Revenue by Major Category (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | $ 1,118 | $ 1,120.2 | $ 2,217.4 | $ 2,221.7 |
Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 732.8 | 745.8 | 1,477.6 | 1,497.8 |
Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 330 | 326.3 | 660.6 | 644.2 |
Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 308.9 | 308.6 | 616.4 | 609.9 |
Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 21.1 | 17.7 | 44.2 | 34.3 |
Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 402.8 | 419.5 | 817 | 853.6 |
Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 301.3 | 308.3 | 610 | 613.2 |
Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 101.5 | 111.2 | 207 | 240.4 |
B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 377.9 | 363.4 | 724.4 | 700.6 |
Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 7.3 | 11 | 15.4 | 23.3 |
Mobile Handset | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 49 | 55 | 99 | |
B2B Mobile Handset and Other Devices | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 6 | 8 | 12 | 16 |
Mobile Service Revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | | | 126 |
Liberty Networks | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | | | 42 |
Liberty Networks, Other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 23 | 21 | 45 | |
Operating Segments | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 248.7 | 282.3 | 511.8 | |
Operating Segments | C&W Caribbean | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 368.3 | 356.3 | 732.5 | 710.1 |
Operating Segments | C&W Caribbean | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 234.9 | 229 | 470.4 | 456.7 |
Operating Segments | C&W Caribbean | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 130.8 | 129.1 | 260.3 | 256 |
Operating Segments | C&W Caribbean | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 123.7 | 121.4 | 245.6 | 241.3 |
Operating Segments | C&W Caribbean | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 7.1 | 7.7 | 14.7 | 14.7 |
Operating Segments | C&W Caribbean | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 104.1 | 99.9 | 210.1 | 200.7 |
Operating Segments | C&W Caribbean | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 86.2 | 81.3 | 171.8 | 161.4 |
Operating Segments | C&W Caribbean | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 17.9 | 18.6 | 38.3 | 39.3 |
Operating Segments | C&W Caribbean | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 133.4 | 127.3 | 262.1 | 253.4 |
Operating Segments | C&W Caribbean | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | C&W Panama | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 197.2 | 180.8 | 366.4 | 346.1 |
Operating Segments | C&W Panama | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 113.5 | 109.5 | 219.6 | 217.5 |
Operating Segments | C&W Panama | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 31.3 | 30.1 | 62.9 | 59.8 |
Operating Segments | C&W Panama | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 30.1 | 28.7 | 60.5 | 57 |
Operating Segments | C&W Panama | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 1.2 | 1.4 | 2.4 | 2.8 |
Operating Segments | C&W Panama | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 82.2 | 79.4 | 156.7 | 157.7 |
Operating Segments | C&W Panama | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 67.9 | 65.8 | 129.7 | 130.8 |
Operating Segments | C&W Panama | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 14.3 | 13.6 | 27 | 26.9 |
Operating Segments | C&W Panama | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 83.7 | 71.3 | 146.8 | 128.6 |
Operating Segments | C&W Panama | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Networks | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 119.1 | 118.6 | 227.6 | 227.3 |
Operating Segments | Liberty Networks | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Networks | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Networks | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Networks | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Networks | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Networks | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Networks | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Networks | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 119.1 | 118.6 | 227.6 | 227.3 |
Operating Segments | Liberty Networks | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Puerto Rico | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 308.6 | 349.5 | 635.8 | 713 |
Operating Segments | Liberty Puerto Rico | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | | | 577.8 |
Operating Segments | Liberty Puerto Rico | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 126.1 | 127.1 | 251.2 | 249.8 |
Operating Segments | Liberty Puerto Rico | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 120.4 | 121.1 | 240.2 | 238.1 |
Operating Segments | Liberty Puerto Rico | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.7 | 6 | 11 | 11.7 |
Operating Segments | Liberty Puerto Rico | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 122.6 | 155.2 | 260.6 | 328 |
Operating Segments | Liberty Puerto Rico | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 78.7 | 100.9 | 172.2 | 202.9 |
Operating Segments | Liberty Puerto Rico | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 43.9 | 54.3 | 88.4 | 125.1 |
Operating Segments | Liberty Puerto Rico | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 52.6 | 56.2 | 108.6 | 111.9 |
Operating Segments | Liberty Puerto Rico | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 7.3 | 11 | 15.4 | 23.3 |
Operating Segments | Liberty Costa Rica | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 147.2 | 135.2 | 299.5 | 264.4 |
Operating Segments | Liberty Costa Rica | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 130.8 | 119.4 | 266.7 | 233.8 |
Operating Segments | Liberty Costa Rica | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 42.6 | 40 | 87.7 | 78.6 |
Operating Segments | Liberty Costa Rica | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 34.7 | 37.4 | 70.1 | 73.5 |
Operating Segments | Liberty Costa Rica | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 7.9 | 2.6 | 17.6 | 5.1 |
Operating Segments | Liberty Costa Rica | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 88.2 | 79.4 | 179 | 155.2 |
Operating Segments | Liberty Costa Rica | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 68.5 | 60.3 | 136.3 | 118.1 |
Operating Segments | Liberty Costa Rica | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 19.7 | 19.1 | 42.7 | 37.1 |
Operating Segments | Liberty Costa Rica | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 16.4 | 15.8 | 32.8 | 30.6 |
Operating Segments | Liberty Costa Rica | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Corporate | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.9 | 5.6 | 11 | 12 |
Corporate | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.7 | 5.6 | 10.6 | 12 |
Corporate | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Corporate | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Corporate | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Corporate | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.7 | 5.6 | 10.6 | 12 |
Corporate | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Corporate | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.7 | 5.6 | 10.6 | 12 |
Corporate | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0.2 | 0 | 0.4 | 0 |
Corporate | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Intersegment Eliminations | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (28.3) | (25.8) | (55.4) | (51.2) |
Intersegment Eliminations | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (0.8) | 0 | (1.5) | 0 |
Intersegment Eliminations | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (0.8) | 0 | (1.5) | 0 |
Intersegment Eliminations | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Intersegment Eliminations | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (0.8) | 0 | (1.5) | 0 |
Intersegment Eliminations | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Intersegment Eliminations | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Intersegment Eliminations | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Intersegment Eliminations | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (27.5) | (25.8) | (53.9) | (51.2) |
Intersegment Eliminations | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | $ 0 | $ 0 | $ 0 | $ 0 |