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Commitments and Contingencies (Details)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 26, 2021
Jan. 27, 2021
claim
Sep. 09, 2019
defendant
Mar. 31, 2022
USD ($)
claim
Dec. 31, 2021
USD ($)
claim
Dec. 31, 2020
USD ($)
Dec. 31, 2019
Nov. 25, 2020
USD ($)
Mar. 31, 2020
lawsuit
Jan. 23, 2020
lawsuit
Aug. 01, 2018
lawFirm
Loss Contingencies [Line Items]                      
Outstanding letters of credit and surety bonds       $ 177              
Lawsuits consolidated | lawsuit                 3    
Number of claims dismissed | claim   1                  
Number of consolidated class action lawsuits | lawsuit                   4  
Number of law firms retained | lawFirm                     2
Number of defendants | defendant     14                
Costs for settlement and defense of asbestos claims, net of insurance recoveries and taxes         $ 63 $ 35          
Asbestos Claims                      
Loss Contingencies [Line Items]                      
Number of pending asbestos claims | claim       26,760 27,770            
Number of new asbestos claims | claim       750              
Number of asbestos claims closed or moved to inactive docket | claim       1,760              
Simon And Schuster                      
Loss Contingencies [Line Items]                      
Contingent termination fee payable               $ 200      
Series A Convertible Preferred Stock                      
Loss Contingencies [Line Items]                      
Preferred stock, percentage 5.75%     5.75% 5.75%            
CBS Television City                      
Loss Contingencies [Line Items]                      
Guaranteed cash flow period             5 years        
Estimated liability       $ 50              
Famous Players                      
Loss Contingencies [Line Items]                      
Estimated liability       $ 46