Products and Services Revenue (Tables)

3 Months Ended

Mar. 31, 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 March 31,
	2020		2019 (1)
	(Dollars in millions)
IP and Data Services	$	136	140
Transport and Infrastructure	657		701
Voice and Collaboration	395		418
IT and Managed Services	1		1
Regulatory Revenue	46		48
Affiliate Services	683		722
Total operating revenue	$	1,918	2,030

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(1)

Reclassifications were made within certain 2019 comparative figures due to the retrospective application of an accounting policy election during the first quarter of 2020, in addition to product reclassification changes. Refer to Note 1—Background and our Form 8-K filing dated May 7, 2020 for further information.