Segment Reporting - Revenue by Major Category (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | $ 1,222 | $ 1,196.3 | $ 3,654.4 | $ 3,534.2 |
Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 856.4 | 852.4 | 2,572 | 2,523.4 |
Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 425.4 | 474.8 | 1,334.2 | 1,445.7 |
Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 407.7 | 453.7 | 1,275.8 | 1,382.5 |
Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 17.7 | 21.1 | 58.4 | 63.2 |
Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 431 | 377.6 | 1,237.8 | 1,077.7 |
Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 312.6 | 281.7 | 897.7 | 781.7 |
Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 118.4 | 95.9 | 340.1 | 296 |
B2B revenue (b) | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 344.7 | 333.7 | 1,041 | 983.6 |
Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 20.9 | 10.2 | 41.4 | 27.2 |
Mobile Service Revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | | | 153 |
Mobile Handset | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 60 | 49 | 176 | |
B2B Mobile Handset and Other Devices | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 7 | 10 | 19 | 23 |
Operating Segments | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 293 | 292.9 | 890.7 | |
Operating Segments | C&W Caribbean | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 359.1 | 347.4 | 1,069.5 | 1,033 |
Operating Segments | C&W Caribbean | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 225.9 | 217.6 | 669.7 | 647.5 |
Operating Segments | C&W Caribbean | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 129.8 | 126.6 | 388.7 | 379.6 |
Operating Segments | C&W Caribbean | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 122.2 | 118.1 | 363.5 | 353.7 |
Operating Segments | C&W Caribbean | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 7.6 | 8.5 | 25.2 | 25.9 |
Operating Segments | C&W Caribbean | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 96.1 | 91 | 281 | 267.9 |
Operating Segments | C&W Caribbean | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 78.8 | 76.1 | 232.9 | 222.9 |
Operating Segments | C&W Caribbean | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 17.3 | 14.9 | 48.1 | 45 |
Operating Segments | C&W Caribbean | B2B revenue (b) | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 133.2 | 129.8 | 399.8 | 385.5 |
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 | 172.5 | 133.9 | 441.3 | 394.5 |
Operating Segments | C&W Panama | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 109.2 | 79.8 | 269.4 | 237.9 |
Operating Segments | C&W Panama | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 29 | 24.6 | 80.8 | 71.9 |
Operating Segments | C&W Panama | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 27.3 | 22.3 | 75.1 | 64.7 |
Operating Segments | C&W Panama | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 1.7 | 2.3 | 5.7 | 7.2 |
Operating Segments | C&W Panama | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 80.2 | 55.2 | 188.6 | 166 |
Operating Segments | C&W Panama | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 65.8 | 43.6 | 152.7 | 132.8 |
Operating Segments | C&W Panama | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 14.4 | 11.6 | 35.9 | 33.2 |
Operating Segments | C&W Panama | B2B revenue (b) | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 63.3 | 54.1 | 171.9 | 156.6 |
Operating Segments | C&W Panama | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | C&W Networks & LatAm | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 102.8 | 106.5 | 326.8 | 320 |
Operating Segments | C&W Networks & LatAm | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | C&W Networks & LatAm | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | C&W Networks & LatAm | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | C&W Networks & LatAm | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | C&W Networks & LatAm | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | C&W Networks & LatAm | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | C&W Networks & LatAm | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | C&W Networks & LatAm | B2B revenue (b) | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 102.8 | 106.5 | 326.8 | 320 |
Operating Segments | C&W Networks & LatAm | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Operating Segments | Liberty Puerto Rico | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 366.9 | 357.3 | 1,096.4 | 1,078.5 |
Operating Segments | Liberty Puerto Rico | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | | | | 889.8 |
Operating Segments | Liberty Puerto Rico | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 116.7 | 115.6 | 359 | 341.2 |
Operating Segments | Liberty Puerto Rico | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 111.7 | 110.6 | 343 | 327.1 |
Operating Segments | Liberty Puerto Rico | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5 | 5 | 16 | 14.1 |
Operating Segments | Liberty Puerto Rico | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 176.3 | 177.3 | 531.7 | 548.6 |
Operating Segments | Liberty Puerto Rico | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 112.2 | 122 | 343.5 | 359.8 |
Operating Segments | Liberty Puerto Rico | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 64.1 | 55.3 | 188.2 | 188.8 |
Operating Segments | Liberty Puerto Rico | B2B revenue (b) | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 53 | 54.2 | 164.3 | 161.5 |
Operating Segments | Liberty Puerto Rico | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 20.9 | 10.2 | 41.4 | 27.2 |
Operating Segments | VTR | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 129.8 | 193.1 | 450.6 | 612.7 |
Operating Segments | VTR | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 123.7 | 184.8 | 429.9 | 587.6 |
Operating Segments | VTR | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 115.1 | 171.6 | 401.2 | 544.1 |
Operating Segments | VTR | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 112.7 | 167.8 | 392.3 | 532.9 |
Operating Segments | VTR | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 2.4 | 3.8 | 8.9 | 11.2 |
Operating Segments | VTR | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 8.6 | 13.2 | 28.7 | 43.5 |
Operating Segments | VTR | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 7.8 | 11.5 | 25.8 | 37.7 |
Operating Segments | VTR | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0.8 | 1.7 | 2.9 | 5.8 |
Operating Segments | VTR | B2B revenue (b) | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 6.1 | 8.3 | 20.7 | 25.1 |
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 | 109.2 | 77.8 | 324.6 | 150.3 |
Operating Segments | Liberty Costa Rica | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 99.2 | 71.9 | 295.8 | 144.4 |
Operating Segments | Liberty Costa Rica | Total residential fixed revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 34.8 | 36.4 | 104.5 | 108.9 |
Operating Segments | Liberty Costa Rica | Subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 33.8 | 34.9 | 101.9 | 104.1 |
Operating Segments | Liberty Costa Rica | Non-subscription revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 1 | 1.5 | 2.6 | 4.8 |
Operating Segments | Liberty Costa Rica | Total residential mobile revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 64.4 | 35.5 | 191.3 | 35.5 |
Operating Segments | Liberty Costa Rica | Service revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 48 | 28.5 | 142.8 | 28.5 |
Operating Segments | Liberty Costa Rica | Interconnect, inbound roaming, equipment sales and other | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 16.4 | 7 | 48.5 | 7 |
Operating Segments | Liberty Costa Rica | B2B revenue (b) | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 10 | 5.9 | 28.8 | 5.9 |
Operating Segments | Liberty Costa Rica | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 0 | 0 | 0 | 0 |
Corporate | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.4 | 5.4 | 16.5 | 16.2 |
Corporate | Total residential revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | 5.4 | 5.4 | 16.5 | 16.2 |
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 | 5.4 | 5.4 | 16.5 | 16.2 |
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 | 5.4 | 5.4 | 16.5 | 16.2 |
Corporate | B2B revenue (b) | | | | |
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 | (23.7) | (25.1) | (71.3) | (71) |
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 (b) | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | (23.7) | (25.1) | (71.3) | (71) |
Intersegment Eliminations | Other revenue | | | | |
Principal Transaction Revenue [Line Items] | | | | |
Revenue | $ 0 | $ 0 | $ 0 | $ 0 |