Products and Services Revenue (Tables)

6 Months Ended

Jun. 30, 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 June 30,			Six Months Ended June 30,
	2019		2018	2019	2018
	(Dollars in millions)
IP and Data Services	$	151	154	298	305
Transport and Infrastructure	709		732	1,424	1,476
Voice and Collaboration	423		453	845	920
IT and Managed Services	1		2	2	3
Regulatory Revenue	47		52	95	108
Affiliate Services	720		708	1,442	1,419
Total operating revenue	$	2,051	2,101	4,106	4,231