Revenue (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Revenues Disaggregated by Major Source for Reportable Segments

Revenues disaggregated by major source for our reportable segments for the three and nine months ended September 30, 2020 and 2019 are as follows:

	Three Months Ended September 30, 2020								Nine Months Ended September 30, 2020
	Networks		Renewables		Other (b)		Total		Networks		Renewables		Other (b)		Total
(Millions)
Regulated operations – electricity	$	984	$	—	$	—	$	984	$	2,701	$	—	$	—	$	2,701
Regulated operations – natural gas	166		—		—		166		910		—		—		910
Nonregulated operations – wind	—		200		—		200		—		639		—		639
Nonregulated operations – solar	—		6		—		6		—		16		—		16
Nonregulated operations – thermal	—		13		—		13		—		27		—		27
Other(a)	12		28		(4)		36		38		75		(4)		109
Revenue from contracts with customers	1,162		247		(4)		1,405		3,649		757		(4)		4,402
Leasing revenue	2		—		—		2		5		—		—		5
Derivative revenue	—		25		—		25		—		111		—		111
Alternative revenue programs	24		—		—		24		109		—		—		109
Other revenue	9		4		1		14		16		8		—		24
Total operating revenues	$	1,197	$	276	$	(3)	$	1,470	$	3,779	$	876	$	(4)	$	4,651

	Three Months Ended September 30, 2019								Nine Months Ended September 30, 2019
	Networks		Renewables		Other (b)		Total		Networks		Renewables		Other (b)		Total
(Millions)
Regulated operations – electricity	$	922	$	—	$	—	$	922	$	2,637	$	—	$	—	$	2,637
Regulated operations – natural gas	179		—		—		179		1,053		—		—		1,053
Nonregulated operations – wind	—		218		—		218		—		621		—		621
Nonregulated operations – solar	—		9		—		9		—		22		—		22
Nonregulated operations – thermal	—		5		—		5		—		21		—		21
Other(a)	16		23		—		39		71		40		(4)		107
Revenue from contracts with customers	1,117		255		—		1,372		3,761		704		(4)		4,461
Leasing revenue	1		—		—		1		5		—		—		5
Derivative revenue	—		84		—		84		—		173		—		173
Alternative revenue programs	13		—		—		13		48		—		—		48
Other revenue	9		8		—		17		23		19		—		42
Total operating revenues	$	1,140	$	347	$	—	$	1,487	$	3,837	$	896	$	(4)	$	4,729

(a)Primarily includes certain intra-month trading activities, billing, collection and administrative charges, sundry billings and other miscellaneous revenue.

(b)Does not represent a segment. Includes Corporate and intersegment eliminations.

Schedule of Aggregate Transaction Price Allocations

As of September 30, 2020, the aggregate amount of the transaction price allocated to performance obligations that are unsatisfied (or partially unsatisfied) were as follows:

As of September 30, 2020	2021		2022		2023		2024		2025		Thereafter		Total
(Millions)
Revenue expected to be recognized on multiyear retail energy sales contracts in place	$	1	$	1	$	1	$	1	$	—	$	—	$	4
Revenue expected to be recognized on multiyear capacity and carbon-free energy sale contracts	39		23		15		12		11		75		175
Revenue expected to be recognized on multiyear renewable energy credit sale contracts	27		18		9		4		3		5		66
Total operating revenues	$	67	$	42	$	25	$	17	$	14	$	80	$	245