Products and Services Revenue (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

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

	Three Months Ended March 31, 2019		Three Months Ended March 31, 2018
	(Dollars in millions)
IP and Data Services	$	979	1,003
Transport and Infrastructure	658		676
Voice and Collaboration	352		382
Other	2		1
Affiliate Services	55		25
Total operating revenue	$	2,046	2,087