Investments in Unconsolidated Affiliates (Tables)

12 Months Ended

Dec. 31, 2023

Investments In Unconsolidated Affiliates [Line Items]

Investments in Equity Method Unconsolidated Affiliates

The following table presents Duke Energy’s investments in unconsolidated affiliates accounted for under the equity method, as well as the respective equity in earnings, by segment, for periods presented in this filing.

	Years Ended December 31,
	2023				2022				2021
			Equity in				Equity in		Equity in
(in millions)	Investments		earnings		Investments		earnings		earnings
Electric Utilities and Infrastructure	$	97	$	7	$	99	$	7	$	7
Gas Utilities and Infrastructure	259		40		240		21		8
Other	136		66		116		85		47
Total	$	492	$	113	$	455	$	113	$	62