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Products and Services Revenues (Tables)
 9 Months Ended
Sep. 30, 2014
Segment Reporting [Abstract]  
Schedule of operating revenues by products and services
Our operating revenues for our products and services consisted of the following revenue categorization for the three and nine months ended September 30, 2014 and 2013:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2014
 
2013
 
2014
 
2013
 
(Dollars in millions)
Strategic services
$
858

 
835

 
2,574

 
2,495

Legacy services
740

 
797

 
2,264

 
2,427

Affiliates and other services
600

 
556

 
1,777

 
1,624

Total operating revenues
$
2,198

 
2,188

 
6,615

 
6,546