v3.25.1
Sales of Certain Receivables - Schedule of Variable Interest Entities - EIP (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Variable Interest Entity [Line Items]    
Other current liabilities $ 1,881 $ 1,965
EIP Securitization Arrangement    
Variable Interest Entity [Line Items]    
Other current liabilities 97 81
Other long-term liabilities $ 14 $ 32