Revenue Recognition

3 Months Ended

Mar. 31, 2022

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, 2022				March 31, 2021
(millions)	Electric		Gas		Electric		Gas
Customer class:
Residential	$	300	$	109	$	275	$	98
Commercial		201		48		175		39
Industrial		108		31		88		22
Other		38		6		33		5
Revenues from contracts with customers		647		194		571		164
Other revenues		8		—		8		1
Total Operating Revenues	$	655	$	194	$	579	$	165

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 $8 million at both March 31, 2022 and December 31, 2021. During the three months ended March 31, 2022 and 2021, DESC recognized revenue of $4 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.

Balances and activity related to contract costs deferred as regulatory assets were as follows:

	Regulatory Assets
(millions)	March 31, 2022			December 31, 2021
Beginning balance	$	11		$	12
Amortization		(1	)		(1	)
Ending balance	$	10		$	11