Condensed Consolidating Statements of Cash Flows (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	$ (183)us-gaap_ProfitLoss	$ (169)us-gaap_ProfitLoss	$ (304)us-gaap_ProfitLoss
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	2,102	1,854	1,713
Noncash interest expense	37	43	45
Loss on extinguishment of debt	0	123	55
(Gain) loss on derivative instruments, net	7	(11)	0
Deferred income taxes	233us-gaap_DeferredIncomeTaxExpenseBenefit	112us-gaap_DeferredIncomeTaxExpenseBenefit	250us-gaap_DeferredIncomeTaxExpenseBenefit
Equity in (income) losses of subisidiaries	0	0	0
Other, net	65us-gaap_OtherNoncashIncomeExpense	82us-gaap_OtherNoncashIncomeExpense	45us-gaap_OtherNoncashIncomeExpense
Changes in operating assets and liabilities, net of effects from acquisitions and dispositions:
Accounts receivable	(51)	10	34
Prepaid expenses and other assets	(9)	0	(8)
Accounts payable, accrued liabilities and other	158	114	46
Receivables from and payables to related party	0	0	0
Net cash flows from operating activities	2,359	2,158	1,876
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(2,221)	(1,825)	(1,745)
Change in accrued expenses related to capital expenditures	33	76	13
Sales (purchases) of cable systems, net	11	(676)	19
Contribution to subsidiary	0	0	0
Distributions from subsidiary	0	0	0
Restricted cash in escrow	(7,111)	0	0
Other, net	(16)	(18)	(24)
Net cash flows from investing activities	(9,304)	(2,443)	(1,737)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	8,806	6,782	5,830
Repayments of long-term debt	(1,980)us-gaap_RepaymentsOfLongTermDebt	(6,520)us-gaap_RepaymentsOfLongTermDebt	(5,901)us-gaap_RepaymentsOfLongTermDebt
Borrowings (payments) loans payable - related parties	0	0	0
Payments for debt issuance costs	(6)us-gaap_PaymentsOfDebtIssuanceCosts	(50)us-gaap_PaymentsOfDebtIssuanceCosts	(53)us-gaap_PaymentsOfDebtIssuanceCosts
Purchase of treasury stock	(19)	(15)	(11)
Proceeds from exercise of options and warrants	123us-gaap_ProceedsFromOtherEquity	104us-gaap_ProceedsFromOtherEquity
Proceeds from exercise of options			15
Contributions from parent	0	0	0
Distributions to parent	0chtr_PaymentsOfContributionsToParent	0chtr_PaymentsOfContributionsToParent	0chtr_PaymentsOfContributionsToParent
Other, net	3	(2)	(14)
Net cash flows from financing activities	6,927	299	(134)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(18)	14	5
CASH AND CASH EQUIVALENTS, beginning of period	21	7	2
CASH AND CASH EQUIVALENTS, end of period	3	21	7
Charter [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	(183)	(183)	(317)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	0	0	0
Noncash interest expense	0	0	0
Loss on extinguishment of debt		0	0
(Gain) loss on derivative instruments, net	0	0
Deferred income taxes	223	105	252
Equity in (income) losses of subisidiaries	(40)	75	63
Other, net	0	0	0
Changes in operating assets and liabilities, net of effects from acquisitions and dispositions:
Accounts receivable	0	(3)	(1)
Prepaid expenses and other assets	0	0	2
Accounts payable, accrued liabilities and other	0	0	0
Receivables from and payables to related party	0	5	(1)
Net cash flows from operating activities	0	(1)	(2)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	0	0	0
Change in accrued expenses related to capital expenditures	0	0	0
Sales (purchases) of cable systems, net	0	0	0
Contribution to subsidiary	(106)	(89)	(14)
Distributions from subsidiary	5	0	12
Restricted cash in escrow	0
Other, net	0	0	0
Net cash flows from investing activities	(101)	(89)	(2)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	0	0	0
Repayments of long-term debt	0	0	0
Borrowings (payments) loans payable - related parties	0	0	0
Payments for debt issuance costs	0	0	0
Purchase of treasury stock	(19)	(15)	(11)
Proceeds from exercise of options and warrants	123	104
Proceeds from exercise of options			15
Contributions from parent	0	0	0
Distributions to parent	0	0	0
Other, net	0	0	1
Net cash flows from financing activities	104	89	5
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	3	(1)	1
CASH AND CASH EQUIVALENTS, beginning of period	0	1	0
CASH AND CASH EQUIVALENTS, end of period	3	0	1
Intermediate Holding Companies [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	(4)	(107)	(92)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	0	0	0
Noncash interest expense	0	0	(23)
Loss on extinguishment of debt		0	(46)
(Gain) loss on derivative instruments, net	0	0
Deferred income taxes	0	0	0
Equity in (income) losses of subisidiaries	12	114	35
Other, net	(2)	0	0
Changes in operating assets and liabilities, net of effects from acquisitions and dispositions:
Accounts receivable	(2)	(1)	1
Prepaid expenses and other assets	(1)	1	8
Accounts payable, accrued liabilities and other	41	(3)	(87)
Receivables from and payables to related party	(57)	(1)	(1)
Net cash flows from operating activities	(13)	3	(205)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	0	0	0
Change in accrued expenses related to capital expenditures	0	0	0
Sales (purchases) of cable systems, net	0	0	0
Contribution to subsidiary	(600)	(534)	(71)
Distributions from subsidiary	30	6	1,891
Restricted cash in escrow	0
Other, net	(5)	1	0
Net cash flows from investing activities	(575)	(527)	1,820
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	0	0	0
Repayments of long-term debt	0	0	(1,621)
Borrowings (payments) loans payable - related parties	0	0	0
Payments for debt issuance costs	0	0	0
Purchase of treasury stock	0	0	0
Proceeds from exercise of options and warrants	0	0
Proceeds from exercise of options			0
Contributions from parent	606	534	84
Distributions to parent	(30)	(5)	(72)
Other, net	7	0	(6)
Net cash flows from financing activities	583	529	(1,615)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(5)	5	0
CASH AND CASH EQUIVALENTS, beginning of period	5	0	0
CASH AND CASH EQUIVALENTS, end of period	0	5	0
CCOH Safari, LLC [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	(30)	0	0
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	0	0	0
Noncash interest expense	0	0	0
Loss on extinguishment of debt		0	0
(Gain) loss on derivative instruments, net	0	0
Deferred income taxes	0	0	0
Equity in (income) losses of subisidiaries	0	0	0
Other, net	0	0	0
Changes in operating assets and liabilities, net of effects from acquisitions and dispositions:
Accounts receivable	0	0	0
Prepaid expenses and other assets	0	0	0
Accounts payable, accrued liabilities and other	18	0	0
Receivables from and payables to related party	0	0	0
Net cash flows from operating activities	(12)	0	0
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	0	0	0
Change in accrued expenses related to capital expenditures	0	0	0
Sales (purchases) of cable systems, net	0	0	0
Contribution to subsidiary	0	0	0
Distributions from subsidiary	0	0	0
Restricted cash in escrow	(3,598)
Other, net	0	0	0
Net cash flows from investing activities	(3,598)	0	0
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	3,500	0	0
Repayments of long-term debt	0	0	0
Borrowings (payments) loans payable - related parties	112	0	0
Payments for debt issuance costs	(2)	0	0
Purchase of treasury stock	0	0	0
Proceeds from exercise of options and warrants	0	0
Proceeds from exercise of options			0
Contributions from parent	0	0	0
Distributions to parent	0	0	0
Other, net	0	0	0
Net cash flows from financing activities	3,610	0	0
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS, beginning of period	0	0	0
CASH AND CASH EQUIVALENTS, end of period	0	0	0
CCO Holdings [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	18	(114)	(35)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	0	0	0
Noncash interest expense	25	27	18
Loss on extinguishment of debt	0	65	0
(Gain) loss on derivative instruments, net	0	0
Deferred income taxes	0	0	0
Equity in (income) losses of subisidiaries	(697)	(632)	(506)
Other, net	0	0	0
Changes in operating assets and liabilities, net of effects from acquisitions and dispositions:
Accounts receivable	0	0	0
Prepaid expenses and other assets	0	0	0
Accounts payable, accrued liabilities and other	0	41	47
Receivables from and payables to related party	(11)	(10)	(11)
Net cash flows from operating activities	(665)	(623)	(487)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	0	0	0
Change in accrued expenses related to capital expenditures	0	0	0
Sales (purchases) of cable systems, net	0	0	0
Contribution to subsidiary	(100)	(1,022)	(2,330)
Distributions from subsidiary	1,132	630	2,014
Restricted cash in escrow	0
Other, net	0	0	0
Net cash flows from investing activities	1,032	(392)	(316)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	0	2,000	2,984
Repayments of long-term debt	(350)	(955)	0
Borrowings (payments) loans payable - related parties	(112)	(93)	(314)
Payments for debt issuance costs	0	(25)	(39)
Purchase of treasury stock	0	0	0
Proceeds from exercise of options and warrants	0	0
Proceeds from exercise of options			0
Contributions from parent	100	89	1
Distributions to parent	(5)	(1)	(1,831)
Other, net	0	0	0
Net cash flows from financing activities	(367)	1,015	801
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	0	0	(2)
CASH AND CASH EQUIVALENTS, beginning of period	0	0	2
CASH AND CASH EQUIVALENTS, end of period	0	0	0
Charter Operating and Subsidiaries [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	741	678	548
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	2,102	1,854	1,713
Noncash interest expense	12	16	50
Loss on extinguishment of debt		58	101
(Gain) loss on derivative instruments, net	7	(11)
Deferred income taxes	10	7	(2)
Equity in (income) losses of subisidiaries	45	0	0
Other, net	67	82	45
Changes in operating assets and liabilities, net of effects from acquisitions and dispositions:
Accounts receivable	(49)	14	34
Prepaid expenses and other assets	(8)	(1)	(18)
Accounts payable, accrued liabilities and other	91	76	86
Receivables from and payables to related party	68	6	13
Net cash flows from operating activities	3,086	2,779	2,570
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(2,221)	(1,825)	(1,745)
Change in accrued expenses related to capital expenditures	33	76	13
Sales (purchases) of cable systems, net	11	(676)	19
Contribution to subsidiary	(71)	0	0
Distributions from subsidiary	0	0	0
Restricted cash in escrow	0
Other, net	(11)	(19)	(24)
Net cash flows from investing activities	(2,259)	(2,444)	(1,737)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	1,823	4,782	2,846
Repayments of long-term debt	(1,630)	(5,565)	(4,280)
Borrowings (payments) loans payable - related parties	0	93	314
Payments for debt issuance costs	0	(25)	(14)
Purchase of treasury stock	0	0	0
Proceeds from exercise of options and warrants	0	0
Proceeds from exercise of options			0
Contributions from parent	100	1,022	2,330
Distributions to parent	(1,132)	(630)	(2,014)
Other, net	(4)	(2)	(9)
Net cash flows from financing activities	(843)	(325)	(827)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(16)	10	6
CASH AND CASH EQUIVALENTS, beginning of period	16	6	0
CASH AND CASH EQUIVALENTS, end of period	0	16	6
Unrestricted Subisidiary – CCO Safari [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	(45)	0	0
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	0	0	0
Noncash interest expense	0	0	0
Loss on extinguishment of debt		0	0
(Gain) loss on derivative instruments, net	0	0
Deferred income taxes	0	0	0
Equity in (income) losses of subisidiaries	0	0	0
Other, net	0	0	0
Changes in operating assets and liabilities, net of effects from acquisitions and dispositions:
Accounts receivable	0	0	0
Prepaid expenses and other assets	0	0	0
Accounts payable, accrued liabilities and other	8	0	0
Receivables from and payables to related party	0	0	0
Net cash flows from operating activities	(37)	0	0
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	0	0	0
Change in accrued expenses related to capital expenditures	0	0	0
Sales (purchases) of cable systems, net	0	0	0
Contribution to subsidiary	0	0	0
Distributions from subsidiary	0	0	0
Restricted cash in escrow	(3,513)
Other, net	0	0	0
Net cash flows from investing activities	(3,513)	0	0
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	3,483	0	0
Repayments of long-term debt	0	0	0
Borrowings (payments) loans payable - related parties		0	0
Payments for debt issuance costs	(4)	0	0
Purchase of treasury stock	0	0	0
Proceeds from exercise of options and warrants	0	0
Proceeds from exercise of options			0
Contributions from parent	71	0	0
Distributions to parent	0	0	0
Other, net	0	0	0
Net cash flows from financing activities	3,550	0	0
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS, beginning of period	0	0	0
CASH AND CASH EQUIVALENTS, end of period	0	0	0
Eliminations [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	(680)	(443)	(408)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	0	0	0
Noncash interest expense	0	0	0
Loss on extinguishment of debt		0	0
(Gain) loss on derivative instruments, net	0	0
Deferred income taxes	0	0	0
Equity in (income) losses of subisidiaries	680	443	408
Other, net	0	0	0
Changes in operating assets and liabilities, net of effects from acquisitions and dispositions:
Accounts receivable	0	0	0
Prepaid expenses and other assets	0	0	0
Accounts payable, accrued liabilities and other	0	0	0
Receivables from and payables to related party	0	0	0
Net cash flows from operating activities	0	0	0
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	0	0	0
Change in accrued expenses related to capital expenditures	0	0	0
Sales (purchases) of cable systems, net	0	0	0
Contribution to subsidiary	877	1,645	2,415
Distributions from subsidiary	(1,167)	(636)	(3,917)
Restricted cash in escrow	0
Other, net	0	0	0
Net cash flows from investing activities	(290)	1,009	(1,502)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	0	0	0
Repayments of long-term debt	0	0	0
Borrowings (payments) loans payable - related parties	0	0	0
Payments for debt issuance costs	0	0	0
Purchase of treasury stock	0	0	0
Proceeds from exercise of options and warrants	0	0
Proceeds from exercise of options			0
Contributions from parent	(877)	(1,645)	(2,415)
Distributions to parent	1,167	636	3,917
Other, net	0	0	0
Net cash flows from financing activities	290	(1,009)	1,502
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS, beginning of period	0	0	0
CASH AND CASH EQUIVALENTS, end of period	$ 0	$ 0	$ 0

The increase (decrease) during the reporting period in the amounts payable for capital expenditures.

No definition available.

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

- Definition

The cash outflow to parent as a source of financing that is recorded as additional paid in capital.

+ References

No definition available.

+ Details

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

- Details

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

- Definition

Amount of noncash expense included in interest expense to allocate debt discount and premium, and the costs to issue debt and obtain financing over the related debt instruments. Alternate captions include noncash interest expense.

+ References

+ Details

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

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash

-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash Equivalents

-URI http://asc.fasb.org/extlink&oid=6507016

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585

+ Details

Name:	us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 230

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6450594&loc=d3e33268-110906

+ Details

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

- Definition

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 6.I.7)

-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Article 4

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section I

-Subsection 7

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Deferred Tax Expense (or Benefit)

-URI http://asc.fasb.org/extlink&oid=6510177

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

+ Details

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

- Definition

The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

+ Details

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

- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

+ Details

Name:	us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

+ Details

Name:	us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

+ Details

Name:	us-gaap_IncomeLossFromEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.

+ References

+ Details

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

- Definition

The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

+ References

+ Details

Name:	us-gaap_IncreaseDecreaseInAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The increase (decrease) during the reporting period in the aggregate amount of obligations to be paid to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management; an entity and its principal owners, management, or member of their immediate families; affiliates; or other parties with the ability to exert significant influence.

+ References

+ Details

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

- Details

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

- Definition

The increase (decrease) during the reporting period in the value of prepaid expenses and other assets not separately disclosed in the statement of cash flows, for example, deferred expenses, intangible assets, or income taxes.

+ References

+ Details

Name:	us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

+ Details

Name:	us-gaap_IncreaseDecreaseInRestrictedCash
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 26

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585

+ Details

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

- Details

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

- Definition

Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 26

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585

+ Details

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

- Details

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

- Definition

Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

+ Details

Name:	us-gaap_NetCashProvidedByUsedInOperatingActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Definition

Other income (expense) included in net income that results in no cash inflows or outflows in the period. Includes noncash adjustments to reconcile net income (loss) to cash provided by (used in) operating activities that are not separately disclosed.

+ References

+ Details

Name:	us-gaap_OtherNoncashIncomeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585

+ Details

Name:	us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The net cash outflow or inflow from purchases, sales and disposals of property, plant and equipment and other productive assets, including intangibles.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

+ Details

Name:	us-gaap_PaymentsForProceedsFromProductiveAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow to reacquire common stock during the period.

+ References

+ Details

Name:	us-gaap_PaymentsForRepurchaseOfCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

+ Details

Name:	us-gaap_PaymentsOfDebtIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The distributions of earnings to an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

+ References

+ Details

Name:	us-gaap_PaymentsOfDistributionsToAffiliates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

+ Details

Name:	us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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

- Definition

The cash inflow from parent as a source of financing that is recorded as additional paid in capital.

+ References

+ Details

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

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

+ Details

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

- Definition

The cash inflow from other equity not otherwise defined in the taxonomy.

+ References

+ Details

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

- Definition

The cash inflow or outflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from (Payments for) Advances to Affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

+ Details

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

- Definition

The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585

+ Details

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

- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (j)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

+ Details

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

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 55

-Paragraph 4K

-URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591552-111686

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

-Paragraph 19

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 55

-Paragraph 4J

-URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591551-111686

+ Details

Name:	us-gaap_ProfitLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

Name:	us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=chtr_CcoHoldingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=chtr_CCOHSafariLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=chtr_CharterOperatingAndSubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=chtr_UnrestrictedSubisidiaryCCOSafariMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=us-gaap_ConsolidationEliminationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=us-gaap_ParentCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=us-gaap_SubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: