XML 18 R49.htm IDEA: XBRL DOCUMENT v3.20.1
Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2019
Commitments And Contingencies [Abstract]  
Future Payments For Obligations Under Noncancelable Long Distance Contracts And Service Agreements
($ in millions)
 
Amount
 
       
Year ending December 31:
     
2020
 
$
79
 
2021
   
34
 
2022
   
15
 
2023
   
6
 
2024
   
4
 
Thereafter
   
6
 
         
Total
 
$
144
 
Outstanding Performance Letters Of Credit
($ in millions)
 
Amount
 
       
CNA Financial Corporation (CNA)
 
$
49
 
AIG Insurance
   
28
 
Zurich
   
73
 
All other
   
1
 
Total
 
$
151