Share-Based Compensation Arrangement By Share-Based Payment Award, Plan Modification, Remeasurement Ratio

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- Definition

Shareholder Inventive Program, Percent of Annual Incentive Compensation

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Share-based Compensation (Summary Of Stock-Based Compensation) (Details) € in Millions, $ in Millions			1 Months Ended	3 Months Ended		12 Months Ended
	Nov. 07, 2023 USD ($)	Mar. 31, 2021	Apr. 30, 2021	Dec. 31, 2023 USD ($)	Dec. 31, 2023 EUR (€)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense						$ 231.0	$ 192.1	$ 308.1
Percent of annual inventive compensation				100.00%		100.00%
Total compensation expense not yet recognized				$ 165.8		$ 165.8
Other operating expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense						11.7	4.9	13.7
SG&A expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense						219.3	187.2	294.4
Liberty Global Plc
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense						197.8	171.4	261.8
Non-performance based incentive awards \| Liberty Global Plc
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense						157.4	133.5	168.6
Performance-based incentive awards \| Liberty Global Plc
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense						6.9	7.1	59.6
Other \| Liberty Global Plc
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense						33.5	30.8	33.6
Telenet share-based incentive awards \| Telenet
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense						27.7	10.9	35.1
Other
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense						$ 5.5	$ 9.8	11.2
Telenet Replacement Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	$ 50.0
Award conversion ratio	0.5
Accelerated cost	$ 8.5
Total compensation expense not yet recognized	$ 41.5
ESOP 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense				8.2	€ 7.6
ESOP 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense				$ 8.2	€ 7.6
Liberty Global 2014 Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period						10 years			7 years
SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period		7 years	10 years
Incremental share based compensation expense						$ 27.1		$ 22.7