Products and Services Revenues (Tables)

9 Months Ended

Sep. 30, 2020

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 September 30,			Nine Months Ended September 30,
	2020		2019	2020	2019
	(Dollars in millions)
IP and Data Services	$	889	910	2,687	2,748
Transport and Infrastructure	654		636	1,936	1,897
Voice and Collaboration	350		362	1,085	1,043
Other	25		3	74	6
Affiliate Services	53		41	153	134
Total operating revenue	$	1,971	1,952	5,935	5,828