v3.25.4
Additional Financial Information (Consolidated Statements Of Income) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Additional Financial Information [Line Items]      
Advertising expense $ 3,105 $ 2,505 $ 2,576
Interest income 403 212 303
Interest expense incurred 7,025 7,120 7,578
Interest Costs Capitalized 221 361 874
Total interest expense 6,804 6,759 6,704
Spectrum Licenses      
Additional Financial Information [Line Items]      
Interest Costs Capitalized 56 199 695
Capital Expenditures | Property, Plant and Equipment      
Additional Financial Information [Line Items]      
Interest Costs Capitalized $ 165 $ 162 $ 179