SUBSIDIARIES - CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating activities
Net Income (Loss)	$ 309.7	$ 188.2	$ (271.2)
Financing activities
Payments on finance leases	(15.3)	(14.4)	$ (14.3)
CINEMARK USA, INC. AND SUBSIDIARIES
Operating activities
Net Income (Loss)	324.1
Adjustments to reconcile net income to cash provided by operating activities	87.3
Changes in assets and liabilities	61.4
Net cash provided by operating activities	472.8
Investing activities
Additions to theater properties and equipment	(150.8)
Proceeds from sale of assets and other	3.3
Investments and loans to affiliates	0.0
Net cash (used for) provided by investing activities	(146.9)
Financing activities
Proceeds from issuance of 7.00% Senior Notes	500.0
Redemption of 5.875% Senior Notes	(405.0)
Redemption of Senior notes	(150.0)
Payment of debt issuance costs	(10.3)
Payment of fees to amend senior secured credit facility and satisfy and discharge the 5.875% Senior Notes	(1.6)
Other repayments of long-term debt	(12.6)
Restricted stock withholdings for payroll taxes	(4.9)
Payments on finance leases	(15.3)
Other financing activities	(3.4)
Net cash used for financing activities	(103.1)
Effect of exchange rate changes on cash and cash equivalents	(7.8)
Increase in cash and cash equivalents	215.0
Cash and cash equivalents:
Beginning of year	612.4
End of year	827.4	612.4
CINEMARK USA, INC. AND SUBSIDIARIES | NCM
Investing activities
Proceeds from redemption of common units of NCM	0.6
Restricted Group [Member] | CINEMARK USA, INC. AND SUBSIDIARIES
Operating activities
Net Income (Loss)	300.7
Adjustments to reconcile net income to cash provided by operating activities	88.6
Changes in assets and liabilities	67.8
Net cash provided by operating activities	457.1
Investing activities
Additions to theater properties and equipment	(150.8)
Proceeds from sale of assets and other	3.3
Investments and loans to affiliates	(1.5)
Net cash (used for) provided by investing activities	(149.0)
Financing activities
Proceeds from issuance of 7.00% Senior Notes	500.0
Redemption of 5.875% Senior Notes	(405.0)
Redemption of Senior notes	(150.0)
Payment of debt issuance costs	(10.3)
Payment of fees to amend senior secured credit facility and satisfy and discharge the 5.875% Senior Notes	(1.6)
Other repayments of long-term debt	(12.6)
Restricted stock withholdings for payroll taxes	(4.9)
Payments on finance leases	(15.3)
Other financing activities	(3.4)
Net cash used for financing activities	(103.1)
Effect of exchange rate changes on cash and cash equivalents	(7.8)
Increase in cash and cash equivalents	197.2
Cash and cash equivalents:
Beginning of year	496.3
End of year	693.5	496.3
Restricted Group [Member] | CINEMARK USA, INC. AND SUBSIDIARIES | NCM
Investing activities
Proceeds from redemption of common units of NCM	0.0
Unrestricted Group [Member] | CINEMARK USA, INC. AND SUBSIDIARIES
Operating activities
Net Income (Loss)	23.4
Adjustments to reconcile net income to cash provided by operating activities	(1.3)
Changes in assets and liabilities	(6.4)
Net cash provided by operating activities	15.7
Investing activities
Additions to theater properties and equipment	0.0
Proceeds from sale of assets and other	0.0
Investments and loans to affiliates	1.5
Net cash (used for) provided by investing activities	2.1
Financing activities
Proceeds from issuance of 7.00% Senior Notes	0.0
Redemption of 5.875% Senior Notes	0.0
Redemption of Senior notes	0.0
Payment of debt issuance costs	0.0
Payment of fees to amend senior secured credit facility and satisfy and discharge the 5.875% Senior Notes	0.0
Other repayments of long-term debt	0.0
Restricted stock withholdings for payroll taxes	0.0
Payments on finance leases	0.0
Other financing activities	0.0
Net cash used for financing activities	0.0
Effect of exchange rate changes on cash and cash equivalents	0.0
Increase in cash and cash equivalents	17.8
Cash and cash equivalents:
Beginning of year	116.1
End of year	133.9	116.1
Unrestricted Group [Member] | CINEMARK USA, INC. AND SUBSIDIARIES | NCM
Investing activities
Proceeds from redemption of common units of NCM	0.6
Eliminations [Member] | CINEMARK USA, INC. AND SUBSIDIARIES
Operating activities
Net Income (Loss)	0.0
Adjustments to reconcile net income to cash provided by operating activities	0.0
Changes in assets and liabilities	0.0
Net cash provided by operating activities	0.0
Investing activities
Additions to theater properties and equipment	0.0
Proceeds from sale of assets and other	0.0
Net cash (used for) provided by investing activities	0.0
Financing activities
Proceeds from issuance of 7.00% Senior Notes	0.0
Redemption of 5.875% Senior Notes	0.0
Redemption of Senior notes	0.0
Payment of debt issuance costs	0.0
Payment of fees to amend senior secured credit facility and satisfy and discharge the 5.875% Senior Notes	0.0
Other repayments of long-term debt	0.0
Restricted stock withholdings for payroll taxes	0.0
Payments on finance leases	0.0
Other financing activities	0.0
Net cash used for financing activities	0.0
Effect of exchange rate changes on cash and cash equivalents	0.0
Increase in cash and cash equivalents	0.0
Cash and cash equivalents:
Beginning of year	0.0
End of year	0.0	$ 0.0
Eliminations [Member] | CINEMARK USA, INC. AND SUBSIDIARIES | NCM
Investing activities
Proceeds from redemption of common units of NCM	$ 0.0