Segment Reporting - Revenue by Major Category (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | $ 1,125.8 | $ 1,220.8 | $ 3,347.5 | $ 3,649.4 |
Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 754 | 855.2 | 2,255.5 | 2,567 |
Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 328.4 | 425.4 | 976.3 | 1,334.2 |
Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 310.6 | 407.7 | 924.2 | 1,275.8 |
Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 17.8 | 17.7 | 52.1 | 58.4 |
Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 425.6 | 429.8 | 1,279.2 | 1,232.8 |
Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 309.9 | 311.4 | 923.1 | 892.7 |
Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 115.7 | 118.4 | 356.1 | 340.1 |
B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 363.7 | 344.7 | 1,060.6 | 1,041 |
Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 8.1 | 20.9 | 31.4 | 41.4 |
Mobile Handset | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 60 | 60 | 186 | |
B2B Mobile Handset and Other Devices | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5 | 7 | 22 | 19 |
Mobile Service Revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | | | 176 |
Operating Segments | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 286.3 | 291.8 | 864.1 | |
Operating Segments | C&W Caribbean | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 360.5 | 359.1 | 1,070.6 | 1,069.5 |
Operating Segments | C&W Caribbean | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 231.4 | 225.9 | 688.1 | 669.7 |
Operating Segments | C&W Caribbean | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 129.1 | 129.8 | 385.1 | 388.7 |
Operating Segments | C&W Caribbean | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 122.6 | 122.2 | 363.9 | 363.5 |
Operating Segments | C&W Caribbean | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 6.5 | 7.6 | 21.2 | 25.2 |
Operating Segments | C&W Caribbean | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 102.3 | 96.1 | 303 | 281 |
Operating Segments | C&W Caribbean | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 83.9 | 78.8 | 245.3 | 232.9 |
Operating Segments | C&W Caribbean | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 18.4 | 17.3 | 57.7 | 48.1 |
Operating Segments | C&W Caribbean | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 129.1 | 133.2 | 382.5 | 399.8 |
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 | 190.4 | 172.5 | 536.5 | 441.3 |
Operating Segments | C&W Panama | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 110.6 | 109.2 | 328.1 | 269.4 |
Operating Segments | C&W Panama | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 31 | 29 | 90.8 | 80.8 |
Operating Segments | C&W Panama | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 29.6 | 27.3 | 86.6 | 75.1 |
Operating Segments | C&W Panama | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 1.4 | 1.7 | 4.2 | 5.7 |
Operating Segments | C&W Panama | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 79.6 | 80.2 | 237.3 | 188.6 |
Operating Segments | C&W Panama | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 66 | 65.8 | 196.8 | 152.7 |
Operating Segments | C&W Panama | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 13.6 | 14.4 | 40.5 | 35.9 |
Operating Segments | C&W Panama | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 79.8 | 63.3 | 208.4 | 171.9 |
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 | 112.5 | 102.8 | 339.8 | 326.8 |
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 | 112.5 | 102.8 | 339.8 | 326.8 |
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 | 351.2 | 365.7 | 1,064.2 | 1,091.4 |
Operating Segments | Liberty Puerto Rico | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | | | 885.7 |
Operating Segments | Liberty Puerto Rico | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 128.2 | 116.7 | 378 | 359 |
Operating Segments | Liberty Puerto Rico | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 120.5 | 111.7 | 358.6 | 343 |
Operating Segments | Liberty Puerto Rico | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 7.7 | 5 | 19.4 | 16 |
Operating Segments | Liberty Puerto Rico | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 158.1 | 175.1 | 486.1 | 526.7 |
Operating Segments | Liberty Puerto Rico | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 99.3 | 111 | 302.2 | 338.5 |
Operating Segments | Liberty Puerto Rico | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 58.8 | 64.1 | 183.9 | 188.2 |
Operating Segments | Liberty Puerto Rico | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 56.8 | 53 | 168.7 | 164.3 |
Operating Segments | Liberty Puerto Rico | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 8.1 | 20.9 | 31.4 | 41.4 |
Operating Segments | Liberty Costa Rica | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 134.6 | 109.2 | 399 | 324.6 |
Operating Segments | Liberty Costa Rica | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 121.9 | 99.2 | 359.4 | 295.8 |
Operating Segments | Liberty Costa Rica | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 41.9 | 34.8 | 124.2 | 104.5 |
Operating Segments | Liberty Costa Rica | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 37.9 | 33.8 | 115.1 | 101.9 |
Operating Segments | Liberty Costa Rica | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 4 | 1 | 9.1 | 2.6 |
Operating Segments | Liberty Costa Rica | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 80 | 64.4 | 235.2 | 191.3 |
Operating Segments | Liberty Costa Rica | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 60.7 | 48 | 178.8 | 142.8 |
Operating Segments | Liberty Costa Rica | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 19.3 | 16.4 | 56.4 | 48.5 |
Operating Segments | Liberty Costa Rica | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 12.7 | 10 | 39.6 | 28.8 |
Operating Segments | Liberty Costa Rica | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | VTR | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 129.8 | 0 | 450.6 |
Operating Segments | VTR | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 123.7 | | 429.9 |
Operating Segments | VTR | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 115.1 | | 401.2 |
Operating Segments | VTR | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 112.7 | | 392.3 |
Operating Segments | VTR | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 2.4 | | 8.9 |
Operating Segments | VTR | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 8.6 | | 28.7 |
Operating Segments | VTR | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 7.8 | | 25.8 |
Operating Segments | VTR | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 0.8 | | 2.9 |
Operating Segments | VTR | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 6.1 | | 20.7 |
Operating Segments | VTR | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 0 | | 0 |
Corporate | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 6.5 | 5.4 | 18.5 | 16.5 |
Corporate | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.6 | 5.4 | 17.6 | 16.5 |
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 | 5.6 | 5.4 | 17.6 | 16.5 |
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 | 5.6 | 5.4 | 17.6 | 16.5 |
Corporate | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0.9 | 0 | 0.9 | 0 |
Corporate | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Intersegment Eliminations | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (29.9) | (23.7) | (81.1) | (71.3) |
Intersegment Eliminations | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (1.8) | 0 | (1.8) | 0 |
Intersegment Eliminations | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (1.8) | 0 | (1.8) | 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 | (1.8) | 0 | (1.8) | 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 | (28.1) | (23.7) | (79.3) | (71.3) |
Intersegment Eliminations | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | $ 0 | $ 0 | $ 0 | $ 0 |