Products and Services Revenues (Tables)

3 Months Ended

Mar. 31, 2016

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,
	2016		2015
	(Dollars in millions)
Strategic services	$	859	857
Legacy services	655		712
Affiliates and other services	739		648
Total operating revenues	$	2,253	2,217