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
Preferred stock, beginning balance (in shares) at Dec. 31, 2020			0
Common stock, beginning balance (in shares) at Dec. 31, 2020				617
Balance, beginning of period 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	503	503			503
Stock issuances (in shares)			10	20
Stock issuances	2,655	2,655			2,655
Preferred stock dividends	(30)	(30)					(30)
Common stock dividends	(468)	(468)					(468)
Noncontrolling interests	(118)	94					94		(212)
Net earnings	2,523	2,485					2,485		38
Other comprehensive loss	(52)	(51)						(51)	(1)
Preferred stock, ending balance (in shares) at Sep. 30, 2021			10
Common stock, ending balance (in shares) at Sep. 30, 2021				646
Balance, end of period at Sep. 30, 2021	21,069	20,559	$ 0	$ 1	32,943	(22,958)	12,456	(1,883)	510
Preferred stock, beginning balance (in shares) at Jun. 30, 2021			10
Common stock, beginning balance (in shares) at Jun. 30, 2021				646
Balance, beginning of period at Jun. 30, 2021	20,656	20,098	$ 0	$ 1	32,901	(22,958)	12,007	(1,853)	558
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation activity	42	42			42
Preferred stock dividends	(14)	(14)					(14)
Common stock dividends	(159)	(159)					(159)
Noncontrolling interests	24	84					84		(60)
Net earnings	551	538					538		13
Other comprehensive loss	(31)	(30)						(30)	(1)
Preferred stock, ending balance (in shares) at Sep. 30, 2021			10
Common stock, ending balance (in shares) at Sep. 30, 2021				646
Balance, end of period at Sep. 30, 2021	21,069	20,559	$ 0	$ 1	32,943	(22,958)	12,456	(1,883)	510
Preferred stock, beginning balance (in shares) at Dec. 31, 2021			10
Common stock, beginning balance (in shares) at Dec. 31, 2021				648
Balance, beginning of period 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	116	116			116
Preferred stock dividends	(43)	(43)					(43)
Common stock dividends	(477)	(477)					(477)
Noncontrolling interests	(110)	(17)					(17)		(93)
Net earnings	1,105	1,083					1,083		22
Other comprehensive loss	(422)	(417)						(417)	(5)
Preferred stock, ending balance (in shares) at Sep. 30, 2022			10
Common stock, ending balance (in shares) at Sep. 30, 2022				649
Balance, end of period at Sep. 30, 2022	23,139	22,647	$ 0	$ 1	33,034	(22,958)	14,889	(2,319)	492
Preferred stock, beginning balance (in shares) at Jun. 30, 2022			10
Common stock, beginning balance (in shares) at Jun. 30, 2022				649
Balance, beginning of period at Jun. 30, 2022	23,280	22,776	$ 0	$ 1	32,984	(22,958)	14,829	(2,080)	504
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation activity	50	50			50
Preferred stock dividends	(14)	(14)					(14)
Common stock dividends	(159)	(159)					(159)
Noncontrolling interests	(20)	2					2		(22)
Net earnings	242	231					231		11
Other comprehensive loss	(240)	(239)						(239)	(1)
Preferred stock, ending balance (in shares) at Sep. 30, 2022			10
Common stock, ending balance (in shares) at Sep. 30, 2022				649
Balance, end of period at Sep. 30, 2022	$ 23,139	$ 22,647	$ 0	$ 1	$ 33,034	$ (22,958)	$ 14,889	$ (2,319)	$ 492