SUBSIDIARIES - CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net Income (Loss)	$ 188.2	$ (271.2)	$ (422.8)
Other comprehensive income, net of tax
Foreign currency translation adjustments	4.9	$ 4.6	$ (18.8)
CINEMARK USA, INC. AND SUBSIDIARIES
Net Income (Loss)	208.6
Other comprehensive income, net of tax
Unrealized gain (loss) due to fair value adjustments on interest rate swap agreements, net of taxes and settlements	(8.9)
Foreign currency translation adjustments	4.9
Total other comprehensive (loss) income, net of tax	(4.0)
Total comprehensive (loss) income, net of tax	204.6
Comprehensive income attributable to noncontrolling interests	(3.3)
Comprehensive (loss) income attributable to Cinemark, Inc.	201.3
Restricted Group [Member] | CINEMARK USA, INC. AND SUBSIDIARIES
Net Income (Loss)	191.4
Other comprehensive income, net of tax
Unrealized gain (loss) due to fair value adjustments on interest rate swap agreements, net of taxes and settlements	(8.9)
Foreign currency translation adjustments	4.9
Total other comprehensive (loss) income, net of tax	(4.0)
Total comprehensive (loss) income, net of tax	187.4
Comprehensive income attributable to noncontrolling interests	(3.3)
Comprehensive (loss) income attributable to Cinemark, Inc.	184.1
Unrestricted Group [Member] | CINEMARK USA, INC. AND SUBSIDIARIES
Net Income (Loss)	17.2
Other comprehensive income, net of tax
Unrealized gain (loss) due to fair value adjustments on interest rate swap agreements, net of taxes and settlements	0.0
Foreign currency translation adjustments	0.0
Total other comprehensive (loss) income, net of tax	0.0
Total comprehensive (loss) income, net of tax	17.2
Comprehensive income attributable to noncontrolling interests	0.0
Comprehensive (loss) income attributable to Cinemark, Inc.	17.2
Eliminations [Member] | CINEMARK USA, INC. AND SUBSIDIARIES
Net Income (Loss)	0.0
Other comprehensive income, net of tax
Unrealized gain (loss) due to fair value adjustments on interest rate swap agreements, net of taxes and settlements	0.0
Foreign currency translation adjustments	0.0
Total other comprehensive (loss) income, net of tax	0.0
Total comprehensive (loss) income, net of tax	0.0
Comprehensive income attributable to noncontrolling interests	0.0
Comprehensive (loss) income attributable to Cinemark, Inc.	$ 0.0