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		2018
	(Dollars in millions)
IP and Data Services	$	147	150
Transport and Infrastructure	715		744
Voice and Collaboration	422		467
IT and Managed Services	1		2
Regulatory Revenue	48		56
Affiliate Services	722		711
Total operating revenue	$	2,055	2,130