Products and Services Revenues (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Schedule of operating revenues by products and services

Our operating revenue for our products and services consisted of the following categories for the years ended December 31, 2019, 2018 and 2017:

	Years Ended December 31,
	2019		2018	2017
	(Dollars in millions)
IP and Data Services	$	624	615	634
Transport and Infrastructure	2,829		2,925	3,006
Voice and Collaboration	1,639		1,798	1,980
IT and Managed Services	3		6	—
Regulatory Services	189		214	211
Affiliate Services	2,873		2,935	2,719
Total operating revenue	$	8,157	8,493	8,550

Summary of USF surcharges and transaction taxes

The following table provides the amount of USF surcharges and transaction taxes:

	Years Ended December 31,
	2019		2018	2017
	(Dollars in millions)
USF surcharges and transaction taxes	$	125	124	134