XML 78 R55.htm IDEA: XBRL DOCUMENT v3.23.3
Device Payment Plan Agreement and Wireless Service Receivables - Schedule of Credit Quality Indicators (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Device payment plan agreement receivables, at amortized cost    
Device payment plan agreement receivables, at amortized cost $ 26,988 $ 26,188
Device payment plan agreement    
Device payment plan agreement receivables, at amortized cost    
2023 12,373  
2022 12,521  
2021 and prior 1,452  
Device payment plan agreement receivables, at amortized cost 26,346  
Gross write-offs    
2023 217  
2022 517  
2021 and prior 138  
Gross write-offs 872  
Wireless Service Plan Receivables    
Device payment plan agreement receivables, at amortized cost    
2023 5,415  
2022 88  
Device payment plan agreement receivables, at amortized cost 5,503  
Gross write-offs    
2023 190  
2022 and prior 152  
Gross write-offs 342  
New customers | Device payment plan agreement    
Device payment plan agreement receivables, at amortized cost    
2023 2,224  
2022 1,640  
2021 and prior 192  
Device payment plan agreement receivables, at amortized cost 4,056  
Gross write-offs    
2023 197  
2022 345  
2021 and prior 52  
Gross write-offs 594  
Existing customers | Device payment plan agreement    
Device payment plan agreement receivables, at amortized cost    
2023 10,149  
2022 10,881  
2021 and prior 1,260  
Device payment plan agreement receivables, at amortized cost 22,290  
Gross write-offs    
2023 20  
2022 172  
2021 and prior 86  
Gross write-offs $ 278