Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net earnings (loss) (Paramount and noncontrolling interests)	$ (576)	$ 1,214	$ 4,631
Other comprehensive income (loss), net of tax:
Cumulative translation adjustments	179	(240)	(143)
Decrease to net actuarial loss and prior service costs	45	337	75
Other comprehensive income (loss) from continuing operations, net of tax (Paramount and noncontrolling interests)	224	97	(68)
Other comprehensive income (loss) from discontinued operations	30	(7)	(3)
Comprehensive income (loss)	(322)	1,304	4,560
Less: Comprehensive income attributable to noncontrolling interests	35	105	87
Comprehensive income (loss) attributable to Paramount	$ (357)	$ 1,199	$ 4,473