Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

Presented in the table below are operating revenues disaggregated for the year ended December 31, 2021:

	Revenues from Contracts with Customers		Other Revenues Not from Contracts with Customers (a)		Total Operating Revenues
Regulated Businesses:
Water services:
Residential	$	1,935	$	—	$	1,935
Commercial	676		—		676
Fire service	151		—		151
Industrial	141		—		141
Public and other	230		—		230
Total water services	3,133		—		3,133
Wastewater services:
Residential	151		—		151
Commercial	37		—		37
Industrial	4		—		4
Public and other	16		—		16
Total wastewater services	208		—		208
Miscellaneous utility charges	26		—		26
Alternative revenue programs	—		9		9
Lease contract revenue	—		8		8
Total Regulated Businesses	3,367		17		3,384
Market-Based Businesses	563		—		563
Other	(16)		(1)		(17)
Total operating revenues	$	3,914	$	16	$	3,930

(a)Includes revenues associated with provisional rates, alternative revenue programs, lease contracts and intercompany rent, which are outside the scope of ASC 606, and accounted for under other existing GAAP.

Presented in the table below are operating revenues disaggregated for the year ended December 31, 2020:

	Revenues from Contracts with Customers		Other Revenues Not from Contracts with Customers (a)		Total Operating Revenues
Regulated Businesses:
Water services:
Residential	$	1,895	$	—	$	1,895
Commercial	627		—		627
Fire service	147		—		147
Industrial	133		—		133
Public and other	201		—		201
Total water services	3,003		—		3,003
Wastewater services:
Residential	134		—		134
Commercial	34		—		34
Industrial	3		—		3
Public and other	14		—		14
Total wastewater services	185		—		185
Miscellaneous utility charges	32		—		32
Alternative revenue programs	—		25		25
Lease contract revenue	—		10		10
Total Regulated Businesses	3,220		35		3,255
Market-Based Businesses	540		—		540
Other	(17)		(1)		(18)
Total operating revenues	$	3,743	$	34	$	3,777

(a)Includes revenues associated with provisional rates, alternative revenue programs, lease contracts and intercompany rent, which are outside the scope of ASC 606, and accounted for under other existing GAAP.

Presented in the table below are operating revenues disaggregated for the year ended December 31, 2019:

	Revenues from Contracts with Customers		Other Revenues Not from Contracts with Customers (a)		Total Operating Revenues
Regulated Businesses:
Water services:
Residential	$	1,734	$	1	$	1,735
Commercial	639		—		639
Fire service	142		—		142
Industrial	138		—		138
Public and other	214		—		214
Total water services	2,867		1		2,868
Wastewater services:
Residential	119		—		119
Commercial	31		—		31
Industrial	3		—		3
Public and other	14		—		14
Total wastewater services	167		—		167
Miscellaneous utility charges	36		—		36
Alternative revenue programs	—		16		16
Lease contract revenue	—		7		7
Total Regulated Businesses	3,070		24		3,094
Market-Based Businesses	539		—		539
Other	(22)		(1)		(23)
Total operating revenues	$	3,587	$	23	$	3,610

(a)Includes revenues associated with provisional rates, alternative revenue programs, lease contracts and intercompany rent, which are outside the scope of ASC 606, and accounted for under other existing GAAP.