Segment Reporting - Revenue by Major Category (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | $ 1,217.6 | $ 1,173.2 | $ 2,436.3 | $ 2,338.4 |
Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 846.5 | 837.3 | 1,719.5 | 1,671.5 |
Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 442.7 | 487.4 | 908.8 | 970.9 |
Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 422.6 | 465.5 | 868.1 | 928.8 |
Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 20.1 | 21.9 | 40.7 | 42.1 |
Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 403.8 | 349.9 | 810.7 | 700.6 |
Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 296 | 256.3 | 590.9 | 502.4 |
Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 107.8 | 93.6 | 219.8 | 198.2 |
Total B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 360.9 | 327.4 | 696.3 | 649.9 |
Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 291.9 | 269.4 | 567.2 | 528.2 |
Subsea network revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 69 | 58 | 129.1 | 121.7 |
Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 10.2 | 8.5 | 20.5 | 17 |
Mobile Service Revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 29 | 25 | 55 | 102 |
Mobile Handset | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 53 | 45 | 114 | 50 |
B2B Mobile Handset and Other Devices | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 7 | 10 | 12 | 13 |
Operating Segments | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 296.6 | 296.7 | 601.6 | |
Operating Segments | C&W Caribbean and Networks | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 454.5 | 434.2 | 899.4 | 864 |
Operating Segments | C&W Caribbean and Networks | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 222 | 218.6 | 443.8 | 429.9 |
Operating Segments | C&W Caribbean and Networks | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 128.1 | 127.1 | 258.9 | 253 |
Operating Segments | C&W Caribbean and Networks | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 119.6 | 118.2 | 241.3 | 235.6 |
Operating Segments | C&W Caribbean and Networks | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 8.5 | 8.9 | 17.6 | 17.4 |
Operating Segments | C&W Caribbean and Networks | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 93.9 | 91.5 | 184.9 | 176.9 |
Operating Segments | C&W Caribbean and Networks | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 77.6 | 75 | 154.1 | 146.8 |
Operating Segments | C&W Caribbean and Networks | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 16.3 | 16.5 | 30.8 | 30.1 |
Operating Segments | C&W Caribbean and Networks | Total B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 232.5 | 215.6 | 455.6 | 434.1 |
Operating Segments | C&W Caribbean and Networks | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 159 | 152.8 | 317.2 | 303.6 |
Operating Segments | C&W Caribbean and Networks | Subsea network revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 73.5 | 62.8 | 138.4 | 130.5 |
Operating Segments | C&W Caribbean and Networks | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | C&W Panama | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 141.6 | 133.3 | 268.8 | 260.6 |
Operating Segments | C&W Panama | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 80.9 | 79.5 | 160.2 | 158.1 |
Operating Segments | C&W Panama | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 25.9 | 23.6 | 51.8 | 47.3 |
Operating Segments | C&W Panama | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 24.1 | 21.2 | 47.8 | 42.4 |
Operating Segments | C&W Panama | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 1.8 | 2.4 | 4 | 4.9 |
Operating Segments | C&W Panama | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 55 | 55.9 | 108.4 | 110.8 |
Operating Segments | C&W Panama | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 43.9 | 44.6 | 86.9 | 89.2 |
Operating Segments | C&W Panama | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 11.1 | 11.3 | 21.5 | 21.6 |
Operating Segments | C&W Panama | Total B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 60.7 | 53.8 | 108.6 | 102.5 |
Operating Segments | C&W Panama | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 60.7 | 53.8 | 108.6 | 102.5 |
Operating Segments | C&W Panama | Subsea network revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | C&W Panama | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Puerto Rico | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 364.1 | 360.4 | 733.4 | 721.7 |
Operating Segments | Liberty Puerto Rico | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | | | 597.4 |
Operating Segments | Liberty Puerto Rico | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 121.1 | 114.4 | 242.3 | 225.6 |
Operating Segments | Liberty Puerto Rico | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 115.5 | 109.5 | 231.3 | 216.5 |
Operating Segments | Liberty Puerto Rico | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.6 | 4.9 | 11 | 9.1 |
Operating Segments | Liberty Puerto Rico | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 175.5 | 182.3 | 359.3 | 371.8 |
Operating Segments | Liberty Puerto Rico | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 117.2 | 123.7 | 237.1 | 240.2 |
Operating Segments | Liberty Puerto Rico | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 58.3 | 58.6 | 122.2 | 131.6 |
Operating Segments | Liberty Puerto Rico | Total B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 57.3 | 55.2 | 111.3 | 107.3 |
Operating Segments | Liberty Puerto Rico | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 57.3 | 55.2 | 111.3 | 107.3 |
Operating Segments | Liberty Puerto Rico | Subsea network revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Puerto Rico | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 10.2 | 8.5 | 20.5 | 17 |
Operating Segments | VTR | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 150 | 209.3 | 320.8 | 419.6 |
Operating Segments | VTR | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 143.1 | 200.8 | 306.2 | 402.8 |
Operating Segments | VTR | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 133.4 | 186 | 286.1 | 372.5 |
Operating Segments | VTR | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 130 | 182 | 279.6 | 365.1 |
Operating Segments | VTR | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 3.4 | 4 | 6.5 | 7.4 |
Operating Segments | VTR | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 9.7 | 14.8 | 20.1 | 30.3 |
Operating Segments | VTR | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 8.7 | 13 | 18 | 26.2 |
Operating Segments | VTR | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 1 | 1.8 | 2.1 | 4.1 |
Operating Segments | VTR | Total B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 6.9 | 8.5 | 14.6 | 16.8 |
Operating Segments | VTR | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 6.9 | 8.5 | 14.6 | 16.8 |
Operating Segments | VTR | Subsea network revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | VTR | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Costa Rica | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 108 | 36.3 | 215.4 | 72.5 |
Operating Segments | Liberty Costa Rica | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 98.4 | 36.3 | 196.6 | 72.5 |
Operating Segments | Liberty Costa Rica | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 34.2 | 36.3 | 69.7 | 72.5 |
Operating Segments | Liberty Costa Rica | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 33.4 | 34.6 | 68.1 | 69.2 |
Operating Segments | Liberty Costa Rica | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0.8 | 1.7 | 1.6 | 3.3 |
Operating Segments | Liberty Costa Rica | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 64.2 | 0 | 126.9 | 0 |
Operating Segments | Liberty Costa Rica | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 48.6 | 0 | 94.8 | 0 |
Operating Segments | Liberty Costa Rica | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 15.6 | 0 | 32.1 | 0 |
Operating Segments | Liberty Costa Rica | Total B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 9.6 | 0 | 18.8 | 0 |
Operating Segments | Liberty Costa Rica | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 9.6 | 0 | 18.8 | 0 |
Operating Segments | Liberty Costa Rica | Subsea network revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Costa Rica | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Corporate | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.5 | 5.4 | 11.1 | 10.8 |
Corporate | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.5 | 5.4 | 11.1 | 10.8 |
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 | 5.5 | 5.4 | 11.1 | 10.8 |
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 | 5.5 | 5.4 | 11.1 | 10.8 |
Corporate | Total B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Corporate | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Corporate | Subsea network 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 | (6.1) | (5.7) | (12.6) | (10.8) |
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 | Total B2B revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (6.1) | (5.7) | (12.6) | (10.8) |
Intersegment Eliminations | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (1.6) | (0.9) | (3.3) | (2) |
Intersegment Eliminations | Subsea network revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (4.5) | (4.8) | (9.3) | (8.8) |
Intersegment Eliminations | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | $ 0 | $ 0 | $ 0 | $ 0 |