Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Total Paramount Stockholders’ Equity	Preferred Stock	Class A and B Common Stock	Additional Paid-In Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Balance, beginning of year (shares) at Dec. 31, 2020			0	617
Balance, beginning of year at Dec. 31, 2020	$ 16,056	$ 15,371	$ 0	$ 1	$ 29,785	$ (22,958)	$ 10,375	$ (1,832)	$ 685
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation activity (shares)				9
Stock-based compensation activity	426	426			426
Stock issuances (in shares)			10	20
Stock issuances	2,655	2,655			2,655
Preferred stock dividends	(1)	(1)					(1)
Common stock dividends	(152)	(152)					(152)
Noncontrolling interests	(13)	11					11		(24)
Net earnings	923	911					911		12
Other comprehensive loss	(51)	(50)						(50)	(1)
Balance, end of year (shares) at Mar. 31, 2021			10	646
Balance, end of year at Mar. 31, 2021	19,843	19,171	$ 0	$ 1	32,866	(22,958)	11,144	(1,882)	672
Balance, beginning of year (shares) at Dec. 31, 2021			10	648
Balance, beginning of year at Dec. 31, 2021	22,970	22,402	$ 0	$ 1	32,918	(22,958)	14,343	(1,902)	568
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation activity (shares)				1
Stock-based compensation activity	28	28			28
Preferred stock dividends	(14)	(14)					(14)
Common stock dividends	(159)	(159)					(159)
Noncontrolling interests	(87)	(4)					(4)		(83)
Net earnings	441	433					433		8
Other comprehensive loss	(22)	(22)						(22)
Balance, end of year (shares) at Mar. 31, 2022			10	649
Balance, end of year at Mar. 31, 2022	$ 23,157	$ 22,664	$ 0	$ 1	$ 32,946	$ (22,958)	$ 14,599	$ (1,924)	$ 493