CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (DEFICIT) - USD ($) $ in Millions	Class A and Class B Common Stock Common Stock Mudrick Capital Management LP	Class A and Class B Common Stock Common Stock	Series A Convertible Participating Preferred Stock Preferred Stock Mudrick Capital Management LP	Series A Convertible Participating Preferred Stock Preferred Stock Forward purchase agreement	Series A Convertible Participating Preferred Stock Preferred Stock	Depository Shares of AMC Preferred Equity Preferred Stock Mudrick Capital Management LP	Depository Shares of AMC Preferred Equity Preferred Stock Forward purchase agreement	Depository Shares of AMC Preferred Equity Preferred Stock	Additional Paid-in Capital Mudrick Capital Management LP	Additional Paid-in Capital Forward purchase agreement	Additional Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Accumulated Earnings (Deficit)	Total AMC Stockholders' Equity (Deficit) Mudrick Capital Management LP	Total AMC Stockholders' Equity (Deficit) Forward purchase agreement	Total AMC Stockholders' Equity (Deficit)	Noncontrolling Interests	Mudrick Capital Management LP	Forward purchase agreement	Total
Balance at the beginning of the period at Dec. 31, 2020		$ 0.2						$ 0.1			$ 2,467.6	$ (56.4)	$ 38.7	$ (5,335.3)			$ (2,885.1)	$ 26.9			$ (2,858.2)
Balance (in shares) at Dec. 31, 2020		22,433,304			2,243,330			22,433,304				746,525
Increase (Decrease) in Stockholders' Equity
Net loss														(1,269.1)			(1,269.1)	(0.7)			(1,269.1)
Net loss																					(1,269.8)
Other comprehensive loss													(65.9)				(65.9)	(0.2)			(66.1)
Baltics noncontrolling capital contribution											0.2						0.2	(4.0)			(3.8)
100% liquidation of Baltics													(0.9)				(0.9)	$ (22.0)			(22.9)
Class A common stock, accrued dividend equivalent adjustment														(0.3)			(0.3)				(0.3)
Stock Issued During Period, Value, New Issues		$ 0.2							$ (230.4)		1,533.4	$ 56.4		(19.3)	$ (230.4)		1,570.7		$ (230.4)		1,570.7
Stock Issued During Period, Shares, New Issues	850,000	24,161,628	85,000		2,416,163	850,000		24,161,628				(746,525)
Conversion of convertible securities		$ 0.1									606.4						606.5				606.5
Conversion of convertible securities (in shares)		4,442,286			444,229			4,442,286
Wanda forfeit and cancellation of Class B shares (in Shares)		566,600			56,660			566,600
Taxes paid for restricted unit withholdings											(19.1)						(19.1)				(19.1)
Stock-based compensation											43.1						43.1				43.1
Stock-based compensation (in shares)		77,292			7,729			77,292
Balance at the end of the period at Dec. 31, 2021		$ 0.5						$ 0.1			4,862.0		(28.1)	(6,624.0)			(1,789.5)				(1,789.5)
Balance (in shares) at Dec. 31, 2021		51,397,910			5,139,791			51,397,910
Increase (Decrease) in Stockholders' Equity
Net loss														(973.6)			(973.6)				(973.6)
Net loss																					(973.6)
Other comprehensive loss													(49.2)				(49.2)				(49.2)
Stock Issued During Period, Value, New Issues											217.6						217.6				217.6
Stock Issued During Period, Shares, New Issues					2,077,482			20,774,813
Taxes paid for restricted unit withholdings											(52.3)						(52.3)				(52.3)
Stock-based compensation											22.5						22.5				22.5
Stock-based compensation (in shares)		285,982			28,599			285,982
Balance at the end of the period at Dec. 31, 2022		$ 0.5						$ 0.1			5,049.8		(77.3)	(7,597.6)			(2,624.5)				(2,624.5)
Balance (in shares) at Dec. 31, 2022		51,683,892			7,245,872			72,458,705
Increase (Decrease) in Stockholders' Equity
Net loss														(396.6)			(396.6)				(396.6)
Net loss																					(396.6)
Other comprehensive loss													(0.9)				(0.9)				(0.9)
Stock Issued During Period, Value, New Issues		$ 0.9								$ 193.7	759.4					$ 193.7	760.3			$ 193.7	760.3
Stock Issued During Period, Shares, New Issues		88,030,843		1,976,213	705,036		19,762,130	7,050,362
Settlement payment		$ 0.1									99.2						99.3				99.3
Settlement payment (In shares)		6,897,018
Debt for equity exchange		$ 0.1									92.8						92.9				92.9
Debt for equity exchange (shares)		14,186,651
Conversion of convertible securities		$ 1.0						$ (0.1)			(0.9)
Conversion of convertible securities (in shares)		99,540,642			(9,954,065)			(99,540,642)
Taxes paid for restricted unit withholdings											(14.2)						(14.2)				(14.2)
Stock-based compensation											42.1						42.1				42.1
Stock-based compensation (in shares)		235,346			26,944			269,445
Balance at the end of the period at Dec. 31, 2023		$ 2.6									$ 6,221.9		$ (78.2)	$ (7,994.2)			$ (1,847.9)				$ (1,847.9)
Balance (in shares) at Dec. 31, 2023		260,574,392