v3.24.4
Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
customer_category
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Disaggregation of Revenue [Line Items]      
Number of customer categories | customer_category 3    
Revenues $ 81,400 $ 78,558 $ 79,571
Postpaid phone revenues      
Disaggregation of Revenue [Line Items]      
Revenues 45,762 43,449 41,711
Postpaid other revenues      
Disaggregation of Revenue [Line Items]      
Revenues 6,578 5,243 4,208
Total postpaid service revenues      
Disaggregation of Revenue [Line Items]      
Revenues $ 52,340 $ 48,692 $ 45,919