Consolidated Entities and Equity Method Investments (Tables)

6 Months Ended

Jun. 30, 2022

Regulated Operations [Abstract]

Schedule of Equity Method Investments

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

Investment Balance	June 30, 2022		December 31, 2021
	(in millions)
SNG	$	1,099	$	1,129
Other(*)	35		44
Total	$	1,134	$	1,173

(*)Balance at June 30, 2022 reflects a $9 million distribution from PennEast Pipeline.

Schedule of Earnings (Loss) from Equity Method Investments

	Three Months Ended June 30,				Six Months Ended June 30,
Earnings (Loss) from Equity Method Investments	2022		2021		2022		2021
	(in millions)
SNG	$	31	$	28	$	70	$	66
PennEast Pipeline(*)	—		(81)		—		(79)
Other	—		1		1		2
Total	$	31	$	(52)	$	71	$	(11)

(*)Includes a pre-tax impairment charge of $82 million ($58 million after tax) for the three and six months ended June 30, 2021. See Note 7 to the financial statements under "Southern Company Gas" in Item 8 of the Form 10-K for additional information.