Condensed Parent Company Statements of Cash Flows (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating Activities
Net (loss) income	$ 312.9	$ 191.5	$ (268.0)
Adjustments to reconcile net (loss) income to cash used for operating activities:
Share-based awards compensation expense	33.5	25.0	21.5
Cinemark Holdings, Inc.
Operating Activities
Net (loss) income	309.7	188.2	(271.2)
Adjustments to reconcile net (loss) income to cash used for operating activities:
Share-based awards compensation expense	1.3	1.2	1.0
Amortization of debt issuance costs	3.4	3.5	3.4
Equity in loss (income) of subsidiaries	(320.9)	(205.3)	231.9
Changes in other assets and liabilities	4.5	4.9	21.7
Net cash provided by operating activities	(2.0)	(7.5)	(13.2)
Financing Activities
Restricted stock withholdings for payroll taxes	(4.9)	(2.9)	(4.3)
Net cash used for financing activities	(4.9)	(2.9)	(4.3)
Decrease in cash and cash equivalents	(6.9)	(10.4)	(17.5)
Cash and cash equivalents:
Beginning of year	236.8	247.2	264.7
End of year	$ 229.9	$ 236.8	$ 247.2