v3.20.4
Inventories And Theatrical Film And Television Production Costs (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Finite-Lived Intangible Assets [Line Items]        
Other current assets $ (20,231) $ (20,231) $ (18,364)  
Inventories:        
Less: current portion of inventory (3,592) (3,592) (2,864)  
Theatrical film production costs:        
Released, less amortization 487 487 392  
Completed and not released 616 616 437  
In production 1,130 1,130 1,475  
Development and pre-production 190 190 171  
Television production costs:        
Released, less amortization 2,495 2,495 2,199  
Completed and not released 1,381 1,381 1,344  
In production 2,353 2,353 2,208  
Development and pre-production 90 90 57  
Total theatrical film and television production costs 8,742 8,742 8,283  
Total noncurrent inventories and theatrical film and television production costs 14,752 14,752 12,434  
Film costs of released and completed and not released theatrical and television product 5,171 5,171    
Programming Inventory Costs | ASU 2019-02        
Finite-Lived Intangible Assets [Line Items]        
Other current assets       $ 2,274
Other assets       $ 2,274
COVID-19 Pandemic        
Unusual or Infrequent Item, or Both [Line Items]        
Impairment based on change in estimates for various film titles 524      
Total inventories        
Inventories:        
Total inventories 6,113 6,113 4,247  
Less: current portion of inventory (103) (103) (96)  
Total noncurrent inventories 6,010 6,010 4,151  
Programming costs, less amortization        
Inventories:        
Total inventories 6,010 6,010 4,151  
Other inventory, primarily DVD and Blu-ray Discs        
Inventories:        
Total inventories 103 103 96  
Film and Television Libraries        
Finite-Lived Intangible Assets [Line Items]        
Intangible assets subject to amortization, net $ 4,699 $ 4,699 $ 5,967  
Percentage of unamortized film costs 90.00% 90.00%    
Amortization period for unamortized film costs   3 years    
Film costs, amortized in next operating cycle   $ 3,111