Revenue (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

The following table represents a disaggregation of the Regulated Distribution segment revenue from contracts with distribution service and retail generation customers for the three months ended March 31, 2020 and 2019, by class:



	For the Three Months Ended March 31,
Revenues by Customer Class	2020		2019
	(In millions)
Residential	$	1,319	$	1,484
Commercial	544		587
Industrial	277		249
Other	20		24
Total Revenues	$	2,160	$	2,344

The following table represents a disaggregation of revenue from contracts with regulated transmission customers by transmission owner for the three months ended March 31, 2020 and 2019, by transmission owner:



	For the Three Months Ended March 31,
Transmission Owner	2020		2019
	(In millions)
ATSI	$	204	$	174
TrAIL	63		58
MAIT	57		49
Other	73		71
Total Revenues	$	397	$	352

The following tables represent a disaggregation of revenue from contracts with customers for the three months ended March 31, 2020 and 2019, by type of service from each reportable segment:



	For the Three Months Ended March 31, 2020
Revenues by Type of Service	Regulated Distribution		Regulated Transmission		Corporate/Other and Reconciling Adjustments ⁽¹⁾			Total
	(In millions)
Distribution services ⁽²⁾	$	1,256	$	—	$	(21	)	$	1,235
Retail generation	904		—		(15		)	889
Wholesale sales	71		—		1			72
Transmission ⁽²⁾	—		397		—			397
Other	36		—		—			36
Total revenues from contracts with customers	$	2,267	$	397	$	(35	)	$	2,629
ARP ⁽³⁾	68		—		—			68
Other non-customer revenue	23		4		(15		)	12
Total revenues	$	2,358	$	401	$	(50	)	$	2,709

⁽¹⁾ Includes eliminations and reconciling adjustments of inter-segment revenues.

⁽²⁾Includes $23 million reductions to revenue related to amounts subject to refund resulting from the Tax Act, primarily at Regulated Distribution.

⁽³⁾ ARP revenue for the three months ended March 31, 2020, is related to the Ohio decoupling rates that became effective on February 1, 2020.



	For the Three Months Ended March 31, 2019
Revenues by Type of Service	Regulated Distribution		Regulated Transmission		Corporate/Other and Reconciling Adjustments ⁽¹⁾			Total
	(In millions)
Distribution services ⁽²⁾	$	1,286	$	—	$	(21	)	$	1,265
Retail generation	1,058		—		(14		)	1,044
Wholesale sales	106		—		4			110
Transmission ⁽²⁾	—		352		—			352
Other	34		—		1			35
Total revenues from contracts with customers	$	2,484	$	352	$	(30	)	$	2,806
ARP ⁽³⁾	62		—		—			62
Other non-customer revenue	27		4		(16		)	15
Total revenues	$	2,573	$	356	$	(46	)	$	2,883

⁽¹⁾ Includes eliminations and reconciling adjustments of inter-segment revenues.

⁽²⁾Includes $32 million in net reductions to revenue related to amounts subject to refund resulting from the Tax Act ($27 million at Regulated Distribution and $5 million at Regulated Transmission).

⁽³⁾ARP revenue for the three months ended March 31, 2019, is related to the DMR and lost distribution and shared savings revenue in Ohio.