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Property and Equipment (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Property, Plant and Equipment [Line Items]    
Property and equipment, at cost $ 122,100 $ 118,400
Less: Accumulated depreciation 59,500 58,700
Property and equipment, net 62,548 59,686
United States    
Property, Plant and Equipment [Line Items]    
Property and equipment, net 52,600 48,700
Other    
Property, Plant and Equipment [Line Items]    
Property and equipment, net $ 10,000 11,000
Distribution systems    
Property, Plant and Equipment [Line Items]    
Weighted-average original useful life 11 years  
Property and equipment, at cost $ 47,800 45,700
Customer premise equipment    
Property, Plant and Equipment [Line Items]    
Weighted-average original useful life 6 years  
Property and equipment, at cost $ 23,200 25,000
Buildings, theme park infrastructure and leasehold improvements    
Property, Plant and Equipment [Line Items]    
Weighted-average original useful life 32 years  
Property and equipment, at cost $ 22,100 20,900
Other equipment    
Property, Plant and Equipment [Line Items]    
Weighted-average original useful life 11 years  
Property and equipment, at cost $ 18,100 17,500
Construction in process    
Property, Plant and Equipment [Line Items]    
Property and equipment, at cost 8,600 7,100
Land    
Property, Plant and Equipment [Line Items]    
Property and equipment, at cost $ 2,200 $ 2,200