Revenue Recognition

6 Months Ended

Jun. 30, 2020

Revenue From Contract With Customer [Abstract]

3. REVENUE RECOGNITION

DESC has disaggregated operating revenues by customer class as follows:

	Three Months Ended				Three Months Ended					Six Months Ended				Six Months Ended
	June 30, 2020				June 30, 2019					June 30, 2020				June 30, 2019
(millions)	Electric		Gas		Electric			Gas		Electric		Gas		Electric		Gas
Customer class:
Residential	$	261	$	33	$	281		$	31	$	513	$	112	$	10	$	109
Commercial		177		20		206			23		352		53		67		61
Industrial		83		12		100			19		163		29		18		45
Other		27		4		35			4		57		8		45		7
Revenues from contracts with customers		548		69		622			77		1,085		202		140		222
Other revenues		7		—		(1	)		—		9		—		1		—
Total Operating Revenues	$	555	$	69	$	621		$	77	$	1,094	$	202	$	141	$	222

Contract liabilities represent the obligation to transfer goods or services to a customer for which consideration has already been received from the customer. DESC had contract liability balances of $5 million and $9 million at June 30, 2020 and December 31, 2019, respectively. During the six months ended June 30, 2020 and 2019, DESC recognized revenue of $5 million and $3 million, respectively, from the beginning contract liability balances as DESC fulfilled its obligations to provide service to its customers. Contract liabilities are recorded in customer deposits and customer prepayments in the Consolidated Balance Sheets.