Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2020

Commitments And Contingencies Disclosure [Abstract]

Schedule of Long-Term Purchase Agreements

At December 31, 2020, 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)	2021		2022		2023		2024		2025		Thereafter		Total
Purchased electric capacity(1)	$	83	$	82	$	82	$	81	$	82	$	915	$	1,325

(1)   Includes affiliated amounts with certain solar facilities of $246 million.