Products and Services Revenues (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Schedule of operating revenues by products and services

Our operating revenues for our products and services consisted of the following categories:

	Three Months Ended March 31,
	2015		2014
	(Dollars in millions)
Strategic services	$	857	856
Legacy services	712		767
Affiliates and other services	648		588
Total operating revenues	$	2,217	2,211