Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

Commitments And Contingencies Disclosure [Abstract]

Schedule of Long-Term Purchase Agreements

At December 31, 2019, DESC had the following long-term commitments that are noncancelable or cancelable only under certain conditions, and that a third party that will provide the contracted goods or services has used to secure financing.

(millions)	2020		2021		2022		2023		2024		Thereafter		Total
Purchased electric capacity(1)	$	59	$	58	$	57	$	57	$	57	$	661	$	949

(1) Includes affiliated amounts with certain solar facilities of $234 million.