Expected amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	chtr_DefinedContributionExpectedEmployerDiscretionaryContributionAmount
Namespace Prefix:	chtr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Defined Contribution Plan Maximum Employee Compensation for Matching Contribution, Percent

No definition available.

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

Minimum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan.

No definition available.

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

Name:	us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Employee Benefit Plan (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Compensation and Retirement Disclosure [Abstract]
Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent		50.00%
Defined Contribution Plan, Minimum Annual Contribution Per Employee, Percent		1.00%
Defined Contribution Plan Maximum Employee Compensation for Matching Contribution, Percent	6.00%	5.00%
Defined Contribution Plan, Employer Discretionary Contribution Amount			$ 6	$ 7
Defined Contribution, Expected Employer Discretionary Contribution Amount		$ 8
Defined Contribution Plan, Employer Matching Contribution, Percent	50.00%