v3.26.1
Sales of Certain Receivables - Schedule of Variable Interest Entities - EIP (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Variable Interest Entity [Line Items]    
Other current liabilities $ 2,426 $ 2,575
EIP Securitization Arrangement    
Variable Interest Entity [Line Items]    
Other current liabilities 92 90
Other long-term liabilities $ 12 $ 13