XML 121 R105.htm IDEA: XBRL DOCUMENT v3.25.4 Employee Benefit Plans - Pension Plan Assets (Details) - USD ($) $ in Millions 12 Months Ended Dec. 31, 2025 Dec. 31, 2024 Dec. 31, 2023 Defined Benefit Plan Disclosure [Line Items]       Fair value of plan assets $ 0 $ 2,313 $ 2,553 Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]       Fair value of plan assets at beginning of year 2,313 2,553   Fair value of plan assets at end of year 0 2,313 2,553 Level 2       Defined Benefit Plan Disclosure [Line Items]       Fair value of plan assets   806   Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]       Fair value of plan assets at beginning of year 806     Fair value of plan assets at end of year   806   Level 3       Defined Benefit Plan Disclosure [Line Items]       Fair value of plan assets   1,363   Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]       Fair value of plan assets at beginning of year 1,363     Fair value of plan assets at end of year   1,363   Fair Value Measured at Net Asset Value Per Share       Defined Benefit Plan Disclosure [Line Items]       Fair value of plan assets   142   Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]       Fair value of plan assets at beginning of year 142     Fair value of plan assets at end of year   142   Collective trust funds(a)       Defined Benefit Plan Disclosure [Line Items]       Fair value of plan assets   806   Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]       Fair value of plan assets at beginning of year 806     Fair value of plan assets at end of year   806   Collective trust funds(a) | Level 2       Defined Benefit Plan Disclosure [Line Items]       Fair value of plan assets   806   Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]       Fair value of plan assets at beginning of year 806     Fair value of plan assets at end of year   806   Collective trust funds(a) | Level 3       Defined Benefit Plan Disclosure [Line Items]       Fair value of plan assets   0   Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]       Fair value of plan assets at beginning of year 0     Fair value of plan assets at end of year   0   Group annuity contract(b)       Defined Benefit Plan Disclosure [Line Items]       Fair value of plan assets   1,363   Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]       Fair value of plan assets at beginning of year 1,363     Fair value of plan assets at end of year   1,363   Group annuity contract(b) | Level 2       Defined Benefit Plan Disclosure [Line Items]       Fair value of plan assets   0   Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]       Fair value of plan assets at beginning of year 0     Fair value of plan assets at end of year   0   Group annuity contract(b) | Level 3       Defined Benefit Plan Disclosure [Line Items]       Fair value of plan assets 0 1,363 1,464 Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]       Fair value of plan assets at beginning of year 1,363 1,464   GAC buy-out 1,339 0 (1,400) Unrealized loss (24) (101)   Fair value of plan assets at end of year 0 1,363 $ 1,464 Includes accrued liabilities and excludes accrued investment income and other receivables and investments measured at NAV       Defined Benefit Plan Disclosure [Line Items]       Fair value of plan assets   2,169   Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]       Fair value of plan assets at beginning of year 2,169     Fair value of plan assets at end of year   2,169   Accrued investment income and other receivables       Defined Benefit Plan Disclosure [Line Items]       Fair value of plan assets   2   Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]       Fair value of plan assets at beginning of year $ 2     Fair value of plan assets at end of year   $ 2   X - Definition Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets still held. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02)(A) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details Name: us-gaap_DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration X - Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details Name: us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsLevel3ReconciliationRollForward Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration X - 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. + References No definition available. + Details Name: us-gaap_DefinedBenefitPlanDisclosureLineItems Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration X - Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details Name: us-gaap_DefinedBenefitPlanFairValueOfPlanAssets Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: instant X - Definition Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan, for assets transferred into (out of) Level 3 of fair value hierarchy. Includes, but is not limited to, transfer due to change in observability of significant inputs. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02)(C) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details Name: us-gaap_DefinedBenefitPlanTransfersBetweenMeasurementLevels Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration X - Details Name: us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member Namespace Prefix: Data Type: na Balance Type: Period Type: X - Details Name: us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member Namespace Prefix: Data Type: na Balance Type: Period Type: X - Details Name: us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember Namespace Prefix: Data Type: na Balance Type: Period Type: X - Details Name: us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember Namespace Prefix: Data Type: na Balance Type: Period Type: X - Details Name: us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_TerminalFundingAnnuityMember Namespace Prefix: Data Type: na Balance Type: Period Type: X - Details Name: us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=chtr_IncludesAccruedLiabilitiesAndExcludedAccruedInvestmentIncomeAndOtherReceivablesAndInvestmentsMeasuredAtNAVMember Namespace Prefix: Data Type: na Balance Type: Period Type: X - Details Name: us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=chtr_AccruedInvestmentIncomeAndOtherReceivablesMember Namespace Prefix: Data Type: na Balance Type: Period Type: