v3.24.3
Debt - Schedule of Variable Interest Entities (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Debt Instrument [Line Items]    
Equipment installment plan receivables, net $ 3,595 $ 4,456
Equipment installment plan receivables due after one year, net 1,752 2,042
Other current assets 2,154 2,352
Accounts payable and accrued liabilities 7,496 10,373
Short-term debt 5,851 3,619
Variable Interest Entity, Primary Beneficiary    
Debt Instrument [Line Items]    
Equipment installment plan receivables, net 1,218 739
Equipment installment plan receivables due after one year, net 279 168
Other current assets 148 101
Accounts payable and accrued liabilities 2 1
Short-term debt 707 198
Long-term debt $ 540 $ 550