v3.25.4
Equity Method Investments (Narrative) (Details) - USD ($)
$ in Millions
7 Months Ended 12 Months Ended
Jul. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Sep. 30, 2024
Jun. 30, 2024
Schedule of Equity Method Investments [Line Items]            
Distributions from equity method investment   $ 1,937 $ 2,033      
Investments in Equity Method Investees   1,106 295 $ 1,251    
Equity in net income of affiliates   1,895 1,989 1,675    
SKY Mexico | Equity Method Investments            
Schedule of Equity Method Investments [Line Items]            
Equity Method Investment, Ownership Percentage           41.30%
DIRECTV | Equity Method Investee            
Schedule of Equity Method Investments [Line Items]            
Distributions from equity method investment   1,926 2,027 1,666    
Investments in Equity Method Investees   0 0   $ 0  
Equity in net income of affiliates   1,926 2,027 1,666    
Proceeds from equity method investment   1,926 $ 2,955 3,715    
DIRECTV | Affiliated Entity            
Schedule of Equity Method Investments [Line Items]            
Increase (Decrease) in Deferred Income Taxes   2,900        
Gain on Sale of Investments   5,600        
DIRECTV | Junior Preferred Interests            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, preferred interest       4,250    
Distributions from equity method investment       $ 4,250    
DIRECTV | Common Stock            
Schedule of Equity Method Investments [Line Items]            
Interest in newly formed company, additional distribution preference $ 4,200          
Economic interest in common units held after disposal of business unit 70.00%          
DIRECTV | Notes receivable | Affiliated Entity            
Schedule of Equity Method Investments [Line Items]            
Receivable, investment, sale $ 3,600          
Increase (Decrease) in Receivable for Investment Sold   $ 3,100        
Long term receivables, noncurrent $ 500          
Gigapower LLC. | Equity Method Investments | Co-venturer            
Schedule of Equity Method Investments [Line Items]            
Equity Method Investment, Ownership Percentage   50.00%        
DriveNets | Equity Method Investments            
Schedule of Equity Method Investments [Line Items]            
Equity Method Investment, Ownership Percentage   16.60%