Revenue Recognition

3 Months Ended

Mar. 31, 2020

Revenue From Contract With Customer [Abstract]

Revenue Recognition

3. REVENUE RECOGNITION

DESC has disaggregated operating revenues by customer class as follows:

	Three Months Ended				Three Months Ended
	March 31, 2020				March 31, 2019
(millions)	Electric		Gas		Electric			Gas
Customer class:
Residential	$	252	$	79	$	(271	)	$	78
Commercial		175		33		(139	)		38
Industrial		80		17		(82	)		26
Other		30		4		10			3
Revenues from contracts with    customers		537		133		(482	)		145
Other revenues		2		—		2			—
Total Operating Revenues	$	539	$	133	$	(480	)	$	145

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 $4 million and $9 million at March 31, 2020 and December 31, 2019, respectively. During the three months ended March 31, 2020 and 2019, DESC recognized revenue of $5 million and $2 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.