Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Amounts attributable to Paramount:
Net earnings from continuing operations	$ 725	$ 4,381	$ 2,305
Preferred stock dividends	(58)	(44)
Net earnings from continuing operations for basic EPS calculation	667	4,337
Preferred stock dividend adjustment	0	44
Net earnings from continuing operations for diluted EPS calculation	667	4,381
Amounts attributable to Paramount:
Net earnings	1,104	4,543	$ 2,422
Preferred stock dividends	(58)	(44)
Net earnings for basic EPS calculation	1,046	4,499
Preferred stock dividend adjustment	0	44
Net earnings for diluted EPS calculation	$ 1,046	$ 4,543