Name:	chtr_ANsPercentShareOfTaxBenefitUnderTaxReceivableAgreement
Namespace Prefix:	chtr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Percentage represents Advance Newhouse Programming Partnership’s ownership percentage in the Series A preferred stock of Discovery Communications, Inc. Dr. Malone and Mr. Miron, each a member of Charter’s board of directors, also serve on the board of directors of Discovery Communications, Inc. Charter purchases programming from Discovery Communications, Inc. pursuant to agreement(s) entered into prior to Dr. Malone and Mr. Miron joining Charter's board of directors.

No definition available.

Name:	chtr_AdvanceNewhouseProgrammingPartnershipOwnershipPercentageInDiscoverySeriesAPreferredStock
Namespace Prefix:	chtr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Percentage represents Advance Newhouse Programming Partnership’s ownership percentage in the Series C preferred stock of Discovery Communications, Inc. Dr. Malone and Mr. Miron, each a member of Charter’s board of directors, also serve on the board of directors of Discovery Communications, Inc. Charter purchases programming from Discovery Communications, Inc. pursuant to agreement(s) entered into prior to Dr. Malone and Mr. Miron joining Charter's board of directors.

No definition available.

Name:	chtr_AdvanceNewhouseProgrammingPartnershipOwnershipPercentageInDiscoverySeriesCPreferredStock
Namespace Prefix:	chtr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Advance Newhouse Programming Partnership's voting interest in Discovery Communications, Inc. for election of directors

No definition available.

Name:	chtr_AdvanceNewhouseProgrammingPartnershipsvotinginterestinDiscoveryCommunicationsInc.forelectionofdirectors
Namespace Prefix:	chtr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Cash payments received from HSN and QVC for related party transactions.

No definition available.

Name:	chtr_CashPaymentsReceivedFromHSNAndQVC
Namespace Prefix:	chtr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Dr. John Malone's, a member of Charter's board of directors, ownership percentage in Discovery Communications, Inc.

No definition available.

Name:	chtr_Dr.JohnMalonesamemberofChartersboardofdirectorsownershippercentageinDiscoveryCommunicationsInc.
Namespace Prefix:	chtr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Dr. John Malone's, a member of Charter's board of directors, voting interest in Discovery Communications, Inc. for election of directors

No definition available.

Name:	chtr_Dr.JohnMalonesamemberofChartersboardofdirectorsvotinginterestinDiscoveryCommunicationsInc.forelectionofdirectors
Namespace Prefix:	chtr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Dr. John Malone's, a member of Charter's board of directors, voting interest in Qurate Retail, Inc..

No definition available.

Name:	chtr_Dr.JohnMalonesamemberofChartersboardofdirectorsvotinginterestinQurateRetailInc.
Namespace Prefix:	chtr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Dr. John Malone's, a member of Charter's board of directors, voting interest Liberty Broadband Corporation

No definition available.

Name:	chtr_Dr.JohnMalonesvotinginterestinLibertyBroadband
Namespace Prefix:	chtr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Cash payments made to related parties.

No definition available.

Name:	chtr_PaymentsToRelatedParties
Namespace Prefix:	chtr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Percent of total operating costs and expenses paid to Discovery and Starz

No definition available.

Name:	chtr_PercentoftotaloperatingcostsandexpensespaidtoDiscoveryandStarz
Namespace Prefix:	chtr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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.

No definition available.

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_EquityMethodInvesteeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: