Consolidated Entities and Equity Method Investments (Tables)

3 Months Ended

Mar. 31, 2022

Regulated Operations [Abstract]

Schedule of Equity Method Investments

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

Investment Balance	March 31, 2022		December 31, 2021
	(in millions)
SNG	$	1,138	$	1,129
Other(*)	40		44
Total	$	1,178	$	1,173

(*)Balance at March 31, 2022 reflects a $4 million distribution from PennEast Pipeline.

Schedule of Earnings (Loss) from Equity Method Investments

	Three Months Ended March 31,
Earnings from Equity Method Investments	2022		2021
	(in millions)
SNG	$	39	$	38
Other(*)	1		3
Total	$	40	$	41

(*)Earnings primarily result from AFUDC equity recorded by the project entity.