The amount of cash savings due to interest paid in cash or in-kind.

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The amount of debt exchanged.

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Derivative liability transactions entered into in connection with convertible debt instruments which may be settled in cash upon conversion, including partial cash settlement.

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Interest due term on debt.

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Percentage of paid in kind interest rate.

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The principal amount of debt for which the PIK interest has been waived under the debt instrument arrangement.

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Volume weighted average price of a share.

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Derivative asset, valuation, immaterial correction expense.

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Amount of estimated cancellation of debt income (CODI) recognized.

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Number of interest periods.

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Number of prorata shares.

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Percentage of difference between present value of old and new cash flows.

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Percentage of outstanding shares of the entity.

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Percentage of voting of foreign subsidiary.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Value of all classes of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares exclude common shares repurchased by the entity and held as treasury shares.

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The price per share of the conversion feature embedded in the debt instrument.

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The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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

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Net increase or decrease in the carrying amount of the debt instrument for the period.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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

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CORPORATE BORROWINGS AND FINANCE LEASE LIABILITIES - Senior Unsecured Convertible Notes narrative (Details)									12 Months Ended
	Feb. 14, 2022 USD ($)	Feb. 01, 2021 shares	Jan. 29, 2021 USD ($) $ / shares shares	Jan. 27, 2021 USD ($) $ / shares	Dec. 14, 2020 USD ($) $ / shares shares	Jul. 31, 2020 USD ($) item shares	Apr. 24, 2020 USD ($)	Sep. 14, 2018 USD ($) item shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($)	Oct. 15, 2020	Sep. 14, 2020 $ / shares	Sep. 13, 2020 $ / shares	Apr. 15, 2020	Sep. 04, 2018 USD ($)
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Long-term Debt, Gross									$ 4,949,000,000.0	$ 5,169,100,000
Debt exchange amount						$ 1,700,000,000
Estimated cancellation of debt income (CODI) recognized						1,200,000					$ 1,200,000,000
Estimated Net Operating Loss From Cancellation Of Debt Income									1,200,000,000		1,200,000,000
Amortization of Debt Discount (Premium)									(65,400,000)	(3,900,000)	(22,000,000.0)
Redemption price of debt instrument (as a percent)	107.50%
Principal amount									600,000,000.0
Debt issuance costs									37,900,000	39,100,000
Interest expense									336,400,000	414,900,000	311,000,000.0
Other expense									(53,600,000)	87,900,000	(28,900,000)
Other income
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Other expense									(53,600,000)	87,900,000	(28,900,000)
Redemption Period Two
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest							100.00%
Class A common stock
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Consideration received for conversion \| shares		46,103,784
AMC Preferred Equity Units
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Consideration received for conversion \| shares		46,103,784
Second Lien Notes due 2026
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Long-term Debt, Gross						1,997,400,000
Amortization of Debt Discount (Premium)						$ 535,100,000
PIK interest rate						12.00%
Number of interest periods \| item						3
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest						100.00%
Redemption price of debt instrument (as a percent)						101.00%
Debt instrument face amount						$ 1,289,100,000			$ 173,200,000
Percentage of difference between the present value of the old and new cash flows									10.00%
Principal amount						$ 1,462,300,000
Stated interest rate (as a percent)						10.00%
Second Lien Notes due 2026 \| Redemption period one
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest						106.00%
Second Lien Notes due 2026 \| Redemption Period Two
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest						103.00%
Second Lien Notes due 2026 \| Redemption period three
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest						100.00%
Second Lien Notes due 2026 \| At the time of sale of assets
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Redemption price of debt instrument (as a percent)						100.00%
Second Lien Notes due 2026 \| Minimum
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Debt Instrument, Interest Due Term						12 months
Second Lien Notes due 2026 \| Maximum
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Debt Instrument, Interest Due Term						18 months
Second Lien Notes due 2026 \| Class A common stock
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Principal amount											$ 104,500,000
Consideration received for conversion \| shares											137,400,000
First Lien Notes due 2026
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Long-term Debt, Gross						$ 300,000,000				$ 300,000,000.0
Original issue discount						$ 36,000,000
Amortization of Debt Discount (Premium)									$ 30,000,000.0
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest						110.50%
Redemption price of debt instrument (as a percent)						100.00%
Debt instrument face amount	$ 300,000,000					$ 200,000,000			$ 300,000,000
Stated interest rate (as a percent)	10.50%					10.50%			10.50%	10.50%
Debt issuance costs									$ 6,000,000.0
First Lien Notes due 2026 \| Sell assets of subsidiaries and company
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest						100.00%
First Lien Notes due 2026 \| Change of control
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest						101.00%
First Lien Notes due 2026 \| Redemption period one
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest						100.00%
First Lien Notes due 2026 \| Redemption Period Two
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest						105.25%
First Lien Notes due 2026 \| Redemption period three
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest						102.625%
First Lien Notes due 2026 \| Any time thereafter
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest						100.00%
First Lien Notes due 2026 \| Maximum
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Redemption price of debt instrument (as a percent)						35.00%
First Lien Notes due 2026 \| Class A common stock
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Number of Prorata Shares \| shares						5,000,000			5,000,000
Percentage of Outstanding Shares of Entity						4.60%
Common Stock, Value, Outstanding						$ 20,200,000
First Lien Notes due 2026 \| AMC Preferred Equity Units
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Number of Prorata Shares \| shares									5,000,000
First Lien Notes due 2026 \| Silver Lake Group, L.L.C
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Debt instrument face amount						$ 100,000,000
First Lien Notes due 2025
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Long-term Debt, Gross										$ 500,000,000.0
Debt instrument face amount							$ 500,000,000.0
Stated interest rate (as a percent)	10.50%					10.50%	10.50%		10.50%	10.50%			10.50%			10.50%
Debt issuance costs							$ 8,900,000
Percentage of voting of foreign subsidiary							65.00%
First Lien Notes due 2025 \| Redemption period one
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest							110.50%
First Lien Notes due 2025 \| Maximum
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Redemption price of debt instrument (as a percent)							35.00%
Senior Subordinated Notes
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Reduction in principal amount						$ 555,000,000
Percentage of redemption of debt on aggregate principal amount and accrued and unpaid interest						23.90%
Debt instrument face amount						$ 1,782,500,000			$ 235,000,000.0
Fees paid to third parties											$ 39,300,000
Senior Subordinated Notes \| Minimum
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Cash Savings Due to Interest Payments						120,000,000
Senior Subordinated Notes \| Maximum
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Cash Savings Due to Interest Payments						180,000,000
2.95% Senior Secured Convertible Notes due 2024
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Restructured amount						$ 600,000,000.0
Principal balance								$ 600,000,000.0
Stated interest rate (as a percent)						2.95%		2.95%
Change fair value of derivative											89,400,000	$ (23,500,000)
Conversion price (in dollars per share) \| $ / shares														$ 6.76	$ 9.48
Interest expense											31,800,000
Other expense											19,600,000
2.95% Senior Secured Convertible Notes due 2024 \| Other income
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Immaterial correction expense											$ 26,200,000
2.95% Senior Secured Convertible Notes due 2024 \| Class B common stock
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Derivative liability																	$ 10,700,000
2.95% Senior Secured Convertible Notes due 2024 \| Class B common stock \| Maximum
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Number of shares upon conversion \| item								5,666,000
2.95% Senior Secured Convertible Notes due 2024 \| AMC Preferred Equity Units \| Maximum
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Number of shares upon conversion \| item								5,666,000
Convertible Notes due 2026
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Percentage of difference between the present value of the old and new cash flows						10.00%
Principal amount				$ 600,000,000.0
Consideration received for conversion \| shares			44,422,860
Conversion Price \| $ / shares				$ 6.76
Restructured amount			$ 600,000,000.0
Principal balance				$ 600,000,000.0
Conversion price (in dollars per share) \| $ / shares			$ 6.76
Number of shares upon conversion			44,422,860
Derivative liability								$ 90,400,000
Effective interest rate								5.98%
Interest expense										$ 71,000,000.0
Deferred financing costs								$ 13,600,000
Convertible Notes due 2026 \| Class B common stock
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Consideration received for conversion \| shares								5,666,000
Convertible Notes due 2026 \| AMC Preferred Equity Units
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Consideration received for conversion \| shares			44,422,860					5,666,000
Number of shares upon conversion			44,422,860
Mudrick Capital Management LP
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Consideration received for conversion \| shares					27,472,528
Mudrick Capital Management LP \| Class A common stock
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Price per share (in dollars per share) \| $ / shares					$ 3.19
Mudrick Capital Management LP \| Second Lien Notes due 2026
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Principal amount					$ 104,500,000
Consideration received for conversion \| shares					13,736,264
Mudrick Capital Management LP \| Second Lien Notes due 2026 \| Class A common stock
CORPORATE BORROWINGS AND FINANCE LEASE OBLIGATIONS
Principal amount					$ 100,000,000
Waived off PIK interest					$ 4,500,000