v3.24.0.1
Debt - Schedule of Variable Interest Entities (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Debt Instrument [Line Items]    
Equipment installment plan receivables, net $ 4,456 $ 5,123
Equipment installment plan receivables due after one year, net 2,042 2,546
Other current assets 2,352 2,435
Accounts payable and accrued liabilities 10,373 12,275
Short-term debt 3,619 5,164
Long-term debt 71,399 66,796
Variable Interest Entity, Primary Beneficiary    
Debt Instrument [Line Items]    
Equipment installment plan receivables, net 739 652
Equipment installment plan receivables due after one year, net 168 281
Other current assets 101 73
Accounts payable and accrued liabilities 1 1
Short-term debt 198 0
Long-term debt $ 550 $ 746