Entity tax identification number Entity Tax Identification Number Rollovers EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Maximum Maximum [Member] Legal Entity [Axis] Legal Entity [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Description of Plan [Table] EBP, Description of Plan [Table] Mutual funds Mutual Fund [Member] Sales EBP, Investment Sold, Excluding Plan Interest in Master Trust, Selling Price EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Pretax, maximum annual compensation to total compensation, percentage EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage Self-directed brokerage accounts EBP, Self-Directed Brokerage Account [Member] Maximum borrowing, amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Fair Value Measurements EBP, Investment, Fair Value and NAV [Text Block] Minimum borrowing, amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Total investments EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Money market funds Money Market Funds [Member] EBP, Note Receivable From Participant, Scenario [Domain] EBP, Note Receivable From Participant, Scenario [Domain] EBP, Note Receivable From Participant, Scenario [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] 3 or more EBP, Vesting Period 4 [Member] EBP, Vesting Period 4 EBP, Reconciliation of Financial Statement to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block] EBP, Investment, Fair Value and NAV [Abstract] EBP, Related Party and Party-in-Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Table Text Block] Assets EBP, Asset [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Basis spread on variable rate EBP, Participant Loan, Basis Spread On Variable Rate EBP, Participant Loan, Basis Spread On Variable Rate EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Payment of Benefits EBP, Payment to Participant [Policy Text Block] Amendment Flag Amendment Flag Basis of Presentation EBP, Basis of Accounting [Policy Text Block] Less than 1 EBP, Vesting Period 1 [Member] EBP, Vesting Period 1 EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Number of Shares/Units (in shares) EBP, Investment, Number of Shares EBP, Description of Plan and Accounting Change [Abstract] EBP, Investment, Fair Value and NAV EBP, Investment, Fair Value and NAV [Table Text Block] Revenue sharing, fees and other expenses, net EBP, Change in Net Asset Available for Benefit, Increase (Decrease) From Revenue Sharing, Fees And Other Expenses, Net EBP, Change in Net Asset Available for Benefit, Increase (Decrease) From Revenue Sharing, Fees And Other Expenses, Net Liberty Global Class C Common Shares EBP, Employer, Common Stock, Class C [Member] EBP, Employer, Common Stock, Class C Investments [Domain] Investments [Domain] Use of Estimates EBP, Use of Estimate [Policy Text Block] Schedule H, Line 4i – Schedule of Assets (Held At End of Year) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] Employer contributions receivable, net of forfeitures at December 31, 2024 EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) from Contract Value to Current Value Risks and Uncertainties EBP, Risk and Uncertainty [Text Block] Employer EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash EBP 001 EBP 001 [Member] EBP 001 Minimum Minimum [Member] Interest income on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Investment Type [Axis] Investment Type [Axis] Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Participant EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Interest and dividend income EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Plan number EBP, Plan Number EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] Description of the Plan EBP, Description of Plan [Text Block] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] Income Taxes EBP, Income Tax Status [Policy Text Block] EBP, Income Tax Status Employer contributions receivable, net of forfeitures EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Contract Value to Current Value Adjustment EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] Contributions EBP, Contribution [Policy Text Block] Employer shares EBP, Employer, Common Stock [Member] EBP, Schedule of Asset Held for Investment [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Investment income: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Fidelity total market index fund Equity Funds, Fidelity Total Market Index Fund [Member] Equity Funds, Fidelity Total Market Index Fund Investment, Identifier [Axis] Investment, Identifier [Axis] Loan, distribution and asset-based fees paid by participants EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Total assets held at the end of the year EBP, Asset Held for Investment Document Information [Line Items] Document Information [Line Items] Voting Rights of Liberty Global Common Shares EBP, Voting Rights [Policy Text Block] EBP, Voting Rights EBP, Risk and Uncertainty [Line Items] EBP, Risk and Uncertainty [Line Items] 2 EBP, Vesting Period 3 [Member] EBP, Vesting Period 3 EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Table] Net gain (loss) EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Realized Gain (Loss) on Investment Participant compensation matched, percentage EBP, Employer Contribution, Participant Compensation Matched, Percentage Related-party/Party-in-interest Transactions EBP, Related Party and Party-in-Interest Transactions [Policy Text Block] EBP, Related Party and Party-in-Interest Transactions EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Liberty Global Class A Common Shares EBP, Employer, Common Stock, Class A [Member] Equity securities Equity Securities [Member] Net income, per form 5500 EBP, Form 5500 Caption, Net Income (Loss) EBP, Note Receivable From Participant, Scenario [Axis] EBP, Note Receivable From Participant, Scenario [Axis] EBP, Note Receivable From Participant, Scenario Net increase in net assets available for Plan benefits Net increase in net assets available for Plan benefits, per the financial statements EBP, Change in Net Asset Available for Benefit, Increase (Decrease) EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Employer contributions receivable, net of forfeitures EBP, Employer Contribution, Receivable Vested amount EBP, Note Receivable from Participant, Account, Vested Amount EBP, Note Receivable from Participant, Account, Vested Amount Investments, at fair value: EBP, Investment, Fair Value [Abstract] 1 EBP, Vesting Period 2 [Member] EBP, Vesting Period 2 Distributions to participants and notes deemed distributed EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Current Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] EBP, Vesting Period [Axis] EBP, Vesting Period [Axis] EBP, Vesting Period EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Employer Contribution Vesting EBP, Employer Contribution Vesting [Table Text Block] EBP, Employer Contribution Vesting Plan Expenses EBP, Expense [Policy Text Block] Reconciliation of Financial Statements to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Text Block] Participant loan, current value EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Investments EBP, Investment [Policy Text Block] Document Type Document Type Entity Central Index Key Entity Central Index Key Repayment period EBP, Note Receivable From Participant, Repayment Period EBP, Note Receivable From Participant, Repayment Period Participant loan, interest rate EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Reconciliation of Financial Statement to Form 5500 [Abstract] EBP, Vesting Period [Domain] EBP, Vesting Period [Domain] EBP, Vesting Period [Domain] EBP, Risk and Uncertainty [Abstract] Forfeited nonvested account, decrease from employer contribution EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Notes receivable from participants EBP, Note Receivable from Participant Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Summary of Significant Accounting Policies EBP, Summary of Accounting Policy [Text Block] Entity Registrant Name Entity Registrant Name Number of investment funds EBP, Investment Options, Number Of Funds EBP, Investment Options, Number Of Funds Concentration of investments (as a percentage) EBP, Risk and Uncertainty, Concentration of Investment at Fair Value to Net Assets, Percentage Purchases EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Cost Maximum annual compensation to total compensation, percentage EBP, Participant Contribution, After Tax, Maximum Annual Contribution to Eligible Compensation, Percentage EBP, Participant Contribution, After Tax, Maximum Annual Contribution to Eligible Compensation, Percentage Maximum borrowing, to total account, percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Document Information [Table] Document Information [Table] Notes Receivable from Participants (Participant Loans) EBP, Note Receivable from Participant [Policy Text Block] Total investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Vested At Minimum $10,000 Vested At Minimum $10,000 [Member] Vested At Minimum $10,000 Net assets available for Plan benefits Net assets available for Plan benefits, beginning of year Net assets available for Plan benefits, end of year Net assets available for Plan benefits, per the financial statements EBP, Net Asset Available for Benefit Entity [Domain] Entity [Domain] Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Forfeited nonvested account EBP, Forfeited Nonvested Account Matching percentage EBP, Employer Contribution, Matching Percentage Vesting percentage EBP, Employer Contribution Vesting Percentage Company contribution and/ or investment earning percentage vesting to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions, upon completion of minimum service period or attainment of maximum vesting age Net assets available for Plan benefits, per form 5500 EBP, Form 5500 Caption, Net Assets JP Morgan large cap growth fund class R6 Equity Funds, JPMorgan Large Cap Growth Fund Class R6 [Member] Equity Funds, JPMorgan Large Cap Growth Fund Class R6 EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items]