- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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

- 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

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Period Type:	duration

- Definition

Number of optional term extensions to agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	wow_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	wow_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of optional term extension under agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	wow_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The revenue percentage the disposal group contributed during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	wow_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of employee service, processes or systems expense allocated to discontinued operations.

+ References

No definition available.

+ Details

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Namespace Prefix:	wow_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember
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- Details

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- Details

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General Information - Discontinued Operations, General (Details) $ in Millions		3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($) item	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Sep. 01, 2021 USD ($)
Transition Services Agreement
Discontinued Operations
Agreement term	12 months
Number of optional term extensions \| item	2
Period of optional term extension	3 months
Amount of employee service, processes or systems expense allocated to discontinued operations		$ 0
Atlantic and Astound broadband markets \| Discontinued Operations, Held-for-sale or Disposed of by Sale
Discontinued Operations
Revenue percentage contributed by disposal group			37.00%	37.00%
Astound broadband markets \| Discontinued Operations, Held-for-sale
Discontinued Operations
Consideration	$ 661		$ 661	$ 661
Atlantic broadband markets \| Discontinued Operations, Disposed of by sale
Discontinued Operations
Consideration					$ 1,125