Schedule of Lmpairment Changes of Long-Lived Assets [Line Items]

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Indicates line item in statement of income or comprehensive income that includes impairment of long-lived asset held for use.

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Long-lived Assets - Schedule of Impairment Charges (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Oct. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Lmpairment Changes of Long-Lived Assets [Line Items]
Spectrum		$ 494.0
Goodwill			$ 515.7
Property and equipment and other	$ 56.0	64.9	22.7
Total impairment charges - property and equipment and other (d)		$ 558.9	$ 538.4	$ 67.0
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration]		Depreciation and amortization	Depreciation and amortization
Other Intangible Assets
Schedule of Lmpairment Changes of Long-Lived Assets [Line Items]
Spectrum		$ 494.0
Liberty Caribbean
Schedule of Lmpairment Changes of Long-Lived Assets [Line Items]
Spectrum		0.0
Goodwill			$ 0.0
Property and equipment and other		56.8	8.1
Total impairment charges - property and equipment and other (d)		56.8	8.1	4.1
C&W Panama
Schedule of Lmpairment Changes of Long-Lived Assets [Line Items]
Spectrum		0.0
Goodwill			0.0
Property and equipment and other		6.0	7.8
Total impairment charges - property and equipment and other (d)		6.0	7.8	51.9
Liberty Networks
Schedule of Lmpairment Changes of Long-Lived Assets [Line Items]
Spectrum		0.0
Goodwill			0.0
Property and equipment and other		0.1	4.5
Total impairment charges - property and equipment and other (d)		0.1	4.5	0.8
Liberty Puerto Rico
Schedule of Lmpairment Changes of Long-Lived Assets [Line Items]
Spectrum		494.0
Goodwill			515.7
Property and equipment and other		1.7	2.0
Total impairment charges - property and equipment and other (d)		495.7	517.7	9.4
Liberty Costa Rica
Schedule of Lmpairment Changes of Long-Lived Assets [Line Items]
Spectrum		0.0
Goodwill			0.0
Property and equipment and other		0.3	0.3
Total impairment charges - property and equipment and other (d)		$ 0.3	$ 0.3	$ 0.8