CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 273	$ 43	$ 424	$ 66
Share of other comprehensive loss of equity method investments	(9)	0	(9)	0
Comprehensive income	264	43	415	66
Comprehensive income attributable to the redeemable noncontrolling interests	(12)	0	(32)	0
Comprehensive income attributable to the noncontrolling interests	(9)	(1)	(17)	(2)
Comprehensive income attributable to Sinclair Broadcast Group	$ 243	$ 42	$ 366	$ 64