Variable Interest Entity and Equity Method Investments (Tables)

6 Months Ended

Jun. 30, 2018

The carrying amounts of Southern Company Gas' equity method investments as of June 30, 2018 and December 31, 2017 and related income from those investments for the three and six-month periods ended June 30, 2018 and June 30, 2017 were as follows:



Investment Balance	June 30, 2018		December 31, 2017
	(in millions)
SNG	$	1,258	$	1,262
Atlantic Coast Pipeline	56		41
PennEast Pipeline	67		57
Triton	42		42
Pivotal JAX LNG, LLC	52		44
Horizon Pipeline	31		30
Other	1		1
Total	$	1,507	$	1,477

Selected financial information of SNG for the three and six months ended June 30, 2018 and June 30, 2017 is as follows:



Income Statement Information	Three Months Ended June 30, 2018		Three Months Ended June 30, 2017		Six Months Ended June 30, 2018		Six Months Ended June 30, 2017
	(in millions)
Revenues	$	146	$	143	$	306	$	298
Operating income	$	60	$	63	$	159	$	147
Net income	$	54	$	48	$	132	$	114

Schedule of Other Nonoperating Income, by Component



Earnings from Equity Method Investments	Three Months Ended June 30, 2018		Three Months Ended June 30, 2017		Six Months Ended June 30, 2018		Six Months Ended June 30, 2017
	(in millions)
SNG	$	27	$	24	$	66	$	58
PennEast Pipeline	1		1		2		4
Atlantic Coast Pipeline	1		2		3		3
Triton	1		2		2		2
Horizon Pipeline	1		—		1		1
Total	$	31	$	29	$	74	$	68