Consolidated Entities and Equity Method Investments (Tables)

9 Months Ended

Sep. 30, 2022

Regulated Operations [Abstract]

Schedule of Equity Method Investments

The carrying amounts of Southern Company Gas' equity method investments at September 30, 2022 and December 31, 2021 and related earnings (loss) from those investments for the three and nine months ended September 30, 2022 and 2021 were as follows:

Investment Balance	September 30, 2022		December 31, 2021
	(in millions)
SNG	$	1,091	$	1,129
Other(*)	34		44
Total	$	1,125	$	1,173

(*)Balance at September 30, 2022 reflects an $11 million distribution received in 2022 from PennEast Pipeline.

Schedule of Earnings (Loss) from Equity Method Investments

	Three Months Ended September 30,				Nine Months Ended September 30,
Earnings (Loss) from Equity Method Investments	2022		2021		2022		2021
	(in millions)
SNG	$	34	$	27	$	104	$	93
PennEast Pipeline(*)	—		(2)		—		(81)
Other	—		—		1		2
Total	$	34	$	25	$	105	$	14

(*)Primarily reflects pre-tax impairment charges. See Note 7 to the financial statements under "Southern Company Gas" in Item 8 of the Form 10-K for additional information.