v3.24.0.1
Restructuring Costs - Schedule of Restructuring Plan Expenses Incurred (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]      
Expenses Incurred $ 337 $ 1,196 $ 215
Incurred to Date 2,808    
Contract termination costs      
Restructuring Cost and Reserve [Line Items]      
Expenses Incurred 45 231 14
Incurred to Date 468    
Severance costs      
Restructuring Cost and Reserve [Line Items]      
Expenses Incurred 3 169 17
Incurred to Date 574    
Network decommissioning      
Restructuring Cost and Reserve [Line Items]      
Expenses Incurred 289 $ 796 $ 184
Incurred to Date $ 1,766