Supply chain financing arrangement credit limit

No definition available.

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Namespace Prefix:	atus_
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Period Type:	instant

- Definition

Supply chain financing to be paid within one year

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

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+ Details

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- 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.

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- Definition

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

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Period Type:	instant

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

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- Definition

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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DEBT - Senior Guaranteed Notes, Senior Secured Notes, and Senior Notes and Debentures (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Apr. 25, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Principal amount	$ 25,066,345,000			$ 26,676,545,000
Long-term debt	24,997,611,000			26,587,733,000
Gain (Loss) on Extinguishment of Debt	(4,393,000)	$ 0
Stock Issued During Period, Value, New Issues		$ 10,000
Supply chain financing to be paid within one year	167,821,000			123,880,000
Supply chain financing arrangement credit limit	$ 175,000,000
Cablevision Lightpath LLC \| Cablevision Lightpath LLC
Debt Instrument [Line Items]
Ownership percentage of noncontrolling interest	50.01%
Cablevision Lightpath Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount	$ 0			0
Cablevision Lightpath Term B Loan \| Secured Debt [Member]
Debt Instrument [Line Items]
Principal amount	586,500,000			588,000,000
Line of Credit Facility, Maximum Borrowing Capacity	$ 100,000,000
Cablevision Lightpath Term B Loan \| Secured Debt [Member] \| Alternate Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Cablevision Lightpath Term B Loan \| Secured Debt [Member] \| Eurodollar
Debt Instrument [Line Items]
Basis spread on variable rate	3.25%
Senior Notes \| CSC Holdings 5.750% Notes due January 15, 2030
Debt Instrument [Line Items]
Principal amount	$ 2,250,000,000			2,250,000,000
Stated interest rate	5.75%
Senior Notes \| CSC Holdings 4.500% Senior Guaranteed Notes due November 15, 2021
Debt Instrument [Line Items]
Principal amount	$ 1,500,000,000			1,500,000,000
Stated interest rate	4.50%
Senior Notes \| CSC Holdings 5.000% Notes due November 15, 2031
Debt Instrument [Line Items]
Principal amount	$ 500,000,000			500,000,000
Stated interest rate	5.00%
Senior Notes \| CSC Holdings 11.2500% Senior Guaranteed Notes due May 15, 2028 \| Subsequent Event
Debt Instrument [Line Items]
Principal amount			$ 1,000,000,000
Stated interest rate			11.25%
Secured Debt [Member] \| 5.5% Notes due April 15, 2027
Debt Instrument [Line Items]
Principal amount	$ 1,310,000,000			1,310,000,000
Stated interest rate	5.50%
Long-term Debt
Debt Instrument [Line Items]
Principal amount	$ 24,693,171,000			$ 24,588,732,000