v3.24.3
Revenue from Contracts with Customers (Tables)
 9 Months Ended
Sep. 30, 2024
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
Postpaid service revenues, including postpaid phone revenues and postpaid other revenues, were as follows:
Three Months Ended September 30,Nine Months Ended September 30,
(in millions)2024202320242023
Postpaid service revenues
Postpaid phone revenues$11,600 $10,942 $34,055 $32,393 
Postpaid other revenues1,708 1,346 4,783 3,827 
Total postpaid service revenues$13,308 $12,288 $38,838 $36,220 
Schedule of Contract Liability and Receivable Balances
The contract asset and contract liability balances from contracts with customers as of September 30, 2024, and December 31, 2023, were as follows:
(in millions)Contract
Assets		Contract
Liabilities
Balance as of December 31, 2023$607 $812 
Balance as of September 30, 2024608 1,121 
Change$1 $309 
Revenues for the three and nine months ended September 30, 2024 and 2023 include the following:
Three Months Ended September 30,Nine Months Ended September 30,
(in millions)2024202320242023
Amounts included in the beginning of year contract liability balance$27 $24 $758 $730