Share-based Compensation (Awards Outstanding and Exercisable) (Details)	Mar. 31, 2023 $ / shares shares
Held by Liberty Global employees: \| Options and SARs \| Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)	27,397,121
Options outstanding, weighted average exercise or base price (in dollars per shares) \| $ / shares	$ 26.18
Options exercisable (in shares)	18,003,373
Options exercisable, weighted average exercise price or base price (in dollars per shares) \| $ / shares	$ 28.13
Held by Liberty Global employees: \| Options and SARs \| Class C
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)	65,090,831
Options outstanding, weighted average exercise or base price (in dollars per shares) \| $ / shares	$ 25.40
Options exercisable (in shares)	38,720,987
Options exercisable, weighted average exercise price or base price (in dollars per shares) \| $ / shares	$ 27.04
Held by Liberty Global employees: \| RSUs \| Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other than options outstanding (in shares)	3,171,336
Held by Liberty Global employees: \| RSUs \| Class C
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other than options outstanding (in shares)	6,898,733
Held by former Liberty Global employees \| Options and SARs \| Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)	1,623,956
Options outstanding, weighted average exercise or base price (in dollars per shares) \| $ / shares	$ 31.56
Options exercisable (in shares)	1,540,291
Options exercisable, weighted average exercise price or base price (in dollars per shares) \| $ / shares	$ 32.09
Held by former Liberty Global employees \| Options and SARs \| Class C
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)	3,531,628
Options outstanding, weighted average exercise or base price (in dollars per shares) \| $ / shares	$ 30.17
Options exercisable (in shares)	3,364,330
Options exercisable, weighted average exercise price or base price (in dollars per shares) \| $ / shares	$ 30.59
Held by former Liberty Global employees \| RSUs \| Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other than options outstanding (in shares)	34,359
Held by former Liberty Global employees \| RSUs \| Class C
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other than options outstanding (in shares)	68,701

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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