CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (62)	$ 19	$ (216)	$ 44
Unrealized gain (loss) on interest rate swap, net of tax	0	1	(1)	5
Comprehensive (loss) income	(62)	20	(217)	49
Comprehensive income attributable to the noncontrolling interests	(2)	(2)	(4)	(4)
Comprehensive (loss) income attributable to Sinclair	$ (64)	$ 18	$ (221)	$ 45