Segment Reporting - Schedule of Revenue by Major Category (Details) - USD ($)
$ in Millions |
3 Months Ended |
9 Months Ended |
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
$ 1,117.4
|
$ 1,112.5
|
$ 3,302.8
|
$ 3,282.7
|
| Total residential revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
755.2
|
749.3
|
2,238.7
|
2,245.0
|
| Total residential fixed revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
314.8
|
327.9
|
933.8
|
980.4
|
| Subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
292.8
|
305.0
|
876.8
|
914.1
|
| Non-subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
22.0
|
22.9
|
57.0
|
66.3
|
| Total residential mobile revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
440.4
|
421.4
|
1,304.9
|
1,264.6
|
| Service revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
329.4
|
308.7
|
969.8
|
930.3
|
| Interconnect, inbound roaming, equipment sales and other |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
111.0
|
112.7
|
335.1
|
334.3
|
| B2B revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
355.1
|
355.7
|
1,044.7
|
1,017.9
|
| Other revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
7.1
|
7.5
|
19.4
|
19.8
|
| Mobile Service Revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
62.0
|
59.0
|
186.0
|
176.0
|
| B2B Mobile Handset and Other Devices |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
9.0
|
6.0
|
26.0
|
19.0
|
| Liberty Networks |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
(22.0)
|
23.0
|
67.0
|
69.0
|
| Operating Segments |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
1,139.4
|
1,137.3
|
3,369.9
|
3,356.0
|
| Operating Segments | Total residential revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
238.2
|
245.2
|
722.5
|
|
| Operating Segments | Liberty Caribbean |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
366.0
|
368.8
|
1,082.2
|
1,099.0
|
| Operating Segments | Liberty Caribbean | Total residential revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
231.2
|
241.6
|
692.9
|
718.3
|
| Operating Segments | Liberty Caribbean | Total residential fixed revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
119.0
|
130.7
|
357.0
|
387.9
|
| Operating Segments | Liberty Caribbean | Subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
114.4
|
124.8
|
343.1
|
372.0
|
| Operating Segments | Liberty Caribbean | Non-subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
4.6
|
5.9
|
13.9
|
15.9
|
| Operating Segments | Liberty Caribbean | Total residential mobile revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
112.2
|
110.9
|
335.9
|
330.4
|
| Operating Segments | Liberty Caribbean | Service revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
95.6
|
90.0
|
284.4
|
268.4
|
| Operating Segments | Liberty Caribbean | Interconnect, inbound roaming, equipment sales and other |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
16.6
|
20.9
|
51.5
|
62.0
|
| Operating Segments | Liberty Caribbean | B2B revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
134.8
|
127.2
|
389.3
|
380.7
|
| Operating Segments | Liberty Caribbean | Other revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Operating Segments | C&W Panama |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
189.4
|
199.1
|
541.8
|
553.4
|
| Operating Segments | C&W Panama | Total residential revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
125.6
|
120.4
|
363.9
|
356.3
|
| Operating Segments | C&W Panama | Total residential fixed revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
33.1
|
32.2
|
96.2
|
94.6
|
| Operating Segments | C&W Panama | Subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
31.9
|
31.0
|
92.7
|
90.8
|
| Operating Segments | C&W Panama | Non-subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
1.2
|
1.2
|
3.5
|
3.8
|
| Operating Segments | C&W Panama | Total residential mobile revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
92.5
|
88.2
|
267.7
|
261.7
|
| Operating Segments | C&W Panama | Service revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
75.8
|
71.7
|
219.9
|
213.9
|
| Operating Segments | C&W Panama | Interconnect, inbound roaming, equipment sales and other |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
16.7
|
16.5
|
47.8
|
47.8
|
| Operating Segments | C&W Panama | B2B revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
63.8
|
78.7
|
177.9
|
197.1
|
| Operating Segments | C&W Panama | Other revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Operating Segments | Liberty Networks |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
122.0
|
116.7
|
373.6
|
341.7
|
| Operating Segments | Liberty Networks | Total residential revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Operating Segments | Liberty Networks | Total residential fixed revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Operating Segments | Liberty Networks | Subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Operating Segments | Liberty Networks | Non-subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Operating Segments | Liberty Networks | Total residential mobile revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Operating Segments | Liberty Networks | Service revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Operating Segments | Liberty Networks | Interconnect, inbound roaming, equipment sales and other |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Operating Segments | Liberty Networks | B2B revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
122.0
|
116.7
|
373.6
|
341.7
|
| Operating Segments | Liberty Networks | Other revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Operating Segments | Liberty Puerto Rico |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
288.6
|
298.2
|
872.3
|
897.9
|
| Operating Segments | Liberty Puerto Rico | Total residential revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
|
|
|
745.8
|
| Operating Segments | Liberty Puerto Rico | Total residential fixed revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
119.1
|
123.2
|
359.3
|
371.8
|
| Operating Segments | Liberty Puerto Rico | Subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
113.1
|
117.3
|
341.5
|
354.2
|
| Operating Segments | Liberty Puerto Rico | Non-subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
6.0
|
5.9
|
17.8
|
17.6
|
| Operating Segments | Liberty Puerto Rico | Total residential mobile revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
119.1
|
122.0
|
363.2
|
374.0
|
| Operating Segments | Liberty Puerto Rico | Service revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
73.1
|
74.5
|
216.8
|
231.7
|
| Operating Segments | Liberty Puerto Rico | Interconnect, inbound roaming, equipment sales and other |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
46.0
|
47.5
|
146.4
|
142.3
|
| Operating Segments | Liberty Puerto Rico | B2B revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
43.3
|
45.5
|
130.4
|
132.3
|
| Operating Segments | Liberty Puerto Rico | Other revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
7.1
|
7.5
|
19.4
|
19.8
|
| Operating Segments | Liberty Costa Rica |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
173.4
|
154.5
|
500.0
|
464.0
|
| Operating Segments | Liberty Costa Rica | Total residential revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
157.3
|
139.0
|
450.5
|
414.8
|
| Operating Segments | Liberty Costa Rica | Total residential fixed revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
43.7
|
41.8
|
121.4
|
126.1
|
| Operating Segments | Liberty Costa Rica | Subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
33.4
|
31.9
|
99.5
|
97.1
|
| Operating Segments | Liberty Costa Rica | Non-subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
10.3
|
9.9
|
21.9
|
29.0
|
| Operating Segments | Liberty Costa Rica | Total residential mobile revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
113.6
|
97.2
|
329.1
|
288.7
|
| Operating Segments | Liberty Costa Rica | Service revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
84.9
|
72.5
|
248.7
|
216.3
|
| Operating Segments | Liberty Costa Rica | Interconnect, inbound roaming, equipment sales and other |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
28.7
|
24.7
|
80.4
|
72.4
|
| Operating Segments | Liberty Costa Rica | B2B revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
16.1
|
15.5
|
49.5
|
49.2
|
| Operating Segments | Liberty Costa Rica | Other revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Corporate |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
3.5
|
3.5
|
10.6
|
11.2
|
| Corporate | Total residential revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
2.8
|
3.1
|
8.6
|
9.8
|
| Corporate | Total residential fixed revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Corporate | Subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Corporate | Non-subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Corporate | Total residential mobile revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
2.8
|
3.1
|
8.6
|
9.8
|
| Corporate | Service revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Corporate | Interconnect, inbound roaming, equipment sales and other |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
2.8
|
3.1
|
8.6
|
9.8
|
| Corporate | B2B revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.7
|
0.4
|
2.0
|
1.4
|
| Corporate | Other revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Intersegment Eliminations |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
(25.5)
|
(28.3)
|
(77.7)
|
(84.5)
|
| Intersegment Eliminations | Total residential revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.1
|
0.0
|
0.3
|
0.0
|
| Intersegment Eliminations | Total residential fixed revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
(0.1)
|
0.0
|
(0.1)
|
0.0
|
| Intersegment Eliminations | Subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Intersegment Eliminations | Non-subscription revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
(0.1)
|
0.0
|
(0.1)
|
0.0
|
| Intersegment Eliminations | Total residential mobile revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.2
|
0.0
|
0.4
|
0.0
|
| Intersegment Eliminations | Service revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.0
|
0.0
|
0.0
|
0.0
|
| Intersegment Eliminations | Interconnect, inbound roaming, equipment sales and other |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
0.2
|
0.0
|
0.4
|
0.0
|
| Intersegment Eliminations | B2B revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
(25.6)
|
(28.3)
|
(78.0)
|
(84.5)
|
| Intersegment Eliminations | Other revenue |
|
|
|
|
| Principal Transaction Revenue [Line Items] |
|
|
|
|
| Total |
$ 0.0
|
$ 0.0
|
$ 0.0
|
$ 0.0
|