Segment Reporting - Revenue by Major Category (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | $ 1,122.7 | $ 1,216.2 | $ 2,226.5 | $ 2,432.4 |
Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 750.3 | 845.2 | 1,506.3 | 1,715.6 |
Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 328.3 | 442.7 | 647.9 | 908.8 |
Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 310.6 | 422.6 | 613.6 | 868.1 |
Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 17.7 | 20.1 | 34.3 | 40.7 |
Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 422 | 402.5 | 858.4 | 806.8 |
Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 310.2 | 293.1 | 616.8 | 585.1 |
Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 111.8 | 109.4 | 241.6 | 221.7 |
B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 361.4 | 360.8 | 696.9 | 696.3 |
Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 11 | 10.2 | 23.3 | 20.5 |
Mobile Handset | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 55 | 55 | 126 | |
B2B Mobile Handset and Other Devices | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 9 | 7 | 17 | 12 |
Mobile Service Revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | | | 116 |
Operating Segments | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 284.8 | 295.3 | 582.6 | |
Operating Segments | C&W Caribbean | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 356.3 | 355.6 | 710.1 | 710.4 |
Operating Segments | C&W Caribbean | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 229 | 222 | 456.7 | 443.8 |
Operating Segments | C&W Caribbean | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 129.1 | 128.1 | 256 | 258.9 |
Operating Segments | C&W Caribbean | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 121.4 | 119.6 | 241.3 | 241.3 |
Operating Segments | C&W Caribbean | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 7.7 | 8.5 | 14.7 | 17.6 |
Operating Segments | C&W Caribbean | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 99.9 | 93.9 | 200.7 | 184.9 |
Operating Segments | C&W Caribbean | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 81.3 | 77.6 | 161.4 | 154.1 |
Operating Segments | C&W Caribbean | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 18.6 | 16.3 | 39.3 | 30.8 |
Operating Segments | C&W Caribbean | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 127.3 | 133.6 | 253.4 | 266.6 |
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 | 180.8 | 141.6 | 346.1 | 268.8 |
Operating Segments | C&W Panama | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 109.5 | 80.9 | 217.5 | 160.2 |
Operating Segments | C&W Panama | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 30.1 | 25.9 | 59.8 | 51.8 |
Operating Segments | C&W Panama | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 28.7 | 24.1 | 57 | 47.8 |
Operating Segments | C&W Panama | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 1.4 | 1.8 | 2.8 | 4 |
Operating Segments | C&W Panama | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 79.4 | 55 | 157.7 | 108.4 |
Operating Segments | C&W Panama | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 65.8 | 43.9 | 130.8 | 86.9 |
Operating Segments | C&W Panama | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 13.6 | 11.1 | 26.9 | 21.5 |
Operating Segments | C&W Panama | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 71.3 | 60.7 | 128.6 | 108.6 |
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 | 118.6 | 116.4 | 227.3 | 224 |
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 | 118.6 | 116.4 | 227.3 | 224 |
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 | 352 | 362.8 | 717.8 | 729.5 |
Operating Segments | Liberty Puerto Rico | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | | | 597.7 |
Operating Segments | Liberty Puerto Rico | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 127.1 | 121.1 | 249.8 | 242.3 |
Operating Segments | Liberty Puerto Rico | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 121.1 | 115.5 | 238.1 | 231.3 |
Operating Segments | Liberty Puerto Rico | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 6 | 5.6 | 11.7 | 11 |
Operating Segments | Liberty Puerto Rico | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 157.7 | 174.2 | 332.8 | 355.4 |
Operating Segments | Liberty Puerto Rico | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 102.8 | 114.3 | 206.5 | 231.3 |
Operating Segments | Liberty Puerto Rico | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 54.9 | 59.9 | 126.3 | 124.1 |
Operating Segments | Liberty Puerto Rico | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 56.2 | 57.3 | 111.9 | 111.3 |
Operating Segments | Liberty Puerto Rico | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 11 | 10.2 | 23.3 | 20.5 |
Operating Segments | Liberty Costa Rica | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 135.2 | 108 | 264.4 | 215.4 |
Operating Segments | Liberty Costa Rica | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 121.4 | 98.4 | 237.5 | 196.6 |
Operating Segments | Liberty Costa Rica | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 42 | 34.2 | 82.3 | 69.7 |
Operating Segments | Liberty Costa Rica | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 39.4 | 33.4 | 77.2 | 68.1 |
Operating Segments | Liberty Costa Rica | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 2.6 | 0.8 | 5.1 | 1.6 |
Operating Segments | Liberty Costa Rica | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 79.4 | 64.2 | 155.2 | 126.9 |
Operating Segments | Liberty Costa Rica | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 60.3 | 48.6 | 118.1 | 94.8 |
Operating Segments | Liberty Costa Rica | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 19.1 | 15.6 | 37.1 | 32.1 |
Operating Segments | Liberty Costa Rica | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 13.8 | 9.6 | 26.9 | 18.8 |
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 | 150 | 0 | 320.8 |
Operating Segments | VTR | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 143.1 | | 306.2 |
Operating Segments | VTR | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 133.4 | | 286.1 |
Operating Segments | VTR | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 130 | | 279.6 |
Operating Segments | VTR | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 3.4 | | 6.5 |
Operating Segments | VTR | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 9.7 | | 20.1 |
Operating Segments | VTR | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 8.7 | | 18 |
Operating Segments | VTR | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 1 | | 2.1 |
Operating Segments | VTR | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 6.9 | | 14.6 |
Operating Segments | VTR | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | 0 | | 0 |
Corporate | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.6 | 5.5 | 12 | 11.1 |
Corporate | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.6 | 5.5 | 12 | 11.1 |
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 | 5.5 | 12 | 11.1 |
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 | 5.5 | 12 | 11.1 |
Corporate | B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Corporate | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Intersegment Eliminations | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (25.8) | (23.7) | (51.2) | (47.6) |
Intersegment Eliminations | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Intersegment Eliminations | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 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 | 0 | 0 | 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 | (25.8) | (23.7) | (51.2) | (47.6) |
Intersegment Eliminations | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | $ 0 | $ 0 | $ 0 | $ 0 |