Investments in Unconsolidated Affiliates (Tables)

12 Months Ended

Dec. 31, 2022

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,
	2022				2021				2020
			Equity in				Equity in		Equity in
			earnings				earnings		earnings
(in millions)	Investments		(losses)		Investments		(losses)		(losses)
Electric Utilities and Infrastructure	$	99	$	7	$	104	$	7	$	(1)
Gas Utilities and Infrastructure	240		21		231		8		(2,017)
Other	116		85		122		47		13
Total	$	455	$	113	$	457	$	62	$	(2,005)

ACP

Investments In Unconsolidated Affiliates [Line Items]

Investments in Equity Method Unconsolidated Affiliates

For the year ended December 31, 2020, Duke Energy's investment in ACP met the requirements of S-X Rule 4-08(g) to provide summarized financial information. The following table provides summary information for ACP as required under S-X Rule 1-02(bb) for the period of significance in Duke Energy's consolidated statements of operations. For the years ended December 31, 2022, and 2021, there were no investments that met the significance requirements.

	Year Ended
	December 31, 2020
Net revenues	$	—
Operating loss	(4,612)
Net loss	(4,512)
Net loss attributable to Duke Energy	$	(2,121)