SEGMENT AND RELATED INFORMATION (Tables)

6 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Financial Data for Business Segments

Financial data for business segments and products and services for the three and six months ended June 30, 2020 and 2019 was as follows:

	Electric Utilities
	Traditional Electric Operating Companies		Southern Power		Eliminations			Total		Southern Company Gas		All Other			Eliminations			Consolidated
	(in millions)
Three Months Ended June 30, 2020
Operating revenues	$	3,539	$	439	$	(94	)	$	3,884	$	636	$	135		$	(35	)	$	4,620
Segment net income (loss)(a)(b)(c)	645		63		—			708		71		(177		)	10			612
Six Months Ended June 30, 2020
Operating revenues	$	6,946	$	814	$	(181	)	$	7,579	$	1,885	$	248		$	(74	)	$	9,638
Segment net income (loss)(a)(b)(c)(d)	1,287		138		—			1,425		346		(299		)	8			1,480
At June 30, 2020
Goodwill	$	—	$	2	$	—		$	2	$	5,015	$	263		$	—		$	5,280
Total assets	83,158		13,557		(713		)	96,002		21,500		3,325			(1,096		)	119,731
Three Months Ended June 30, 2019
Operating revenues	$	3,899	$	510	$	(119	)	$	4,290	$	689	$	186		$	(67	)	$	5,098
Segment net income (loss)(a)(e)(f)	782		174		—			956		106		(154		)	(9		)	899
Six Months Ended June 30, 2019
Operating revenues	$	7,343	$	953	$	(211	)	$	8,085	$	2,163	$	368		$	(106	)	$	10,510
Segment net income (loss)(a)(e)(f)	1,346		230		—			1,576		376		1,041			(11		)	2,982
At December 31, 2019
Goodwill	$	—	$	2	$	—		$	2	$	5,015	$	263		$	—		$	5,280
Total assets	81,063		14,300		(713		)	94,650		21,687		3,511			(1,148		)	118,700

(a) Attributable to Southern Company.

(b) Segment net income (loss) for the traditional electric operating companies includes a pre-tax charge of $149 million ($111 million after tax) related to Plant Vogtle Units 3 and 4 for the three and six months ended June 30, 2020. See Note (B) under "Georgia Power – Nuclear Construction" for additional information.

(c) Segment net income (loss) for the "All Other" column includes a pre-tax impairment charge of $154 million ($74 million after tax) related to a leveraged lease investment for the three and six months ended June 30, 2020. See Note (C) under "Other Matters – Southern Company" for additional information.

(d) Segment net income (loss) for Southern Power includes a $39 million pre-tax gain ($23 million gain after tax) on the sale of Plant Mankato for the six months ended June 30, 2020. See Note (K) under "Southern Power" for additional information.

(e) Segment net income (loss) for the "All Other" column includes the preliminary pre-tax gain associated with the sale of Gulf Power of $2.5 billion ($1.3 billion after tax) for the six months ended June 30, 2019, of which $(15) million ($(11) million after tax) was recorded in the three months ended June 30, 2019, as well as a goodwill impairment charge of $32 million for the three and six months ended June 30, 2019 in contemplation of the sale of one of PowerSecure's business units. See Note 15 to the financial statements in Item 8 of the Form 10-K under "Southern Company" for additional information.

(f)

Segment net income (loss) for Southern Power includes a $23 million pre-tax gain ($88 million gain after tax) on the sale of Plant Nacogdoches for the three and six months ended June 30, 2019. See Note 15 to the financial statements in Item 8 of the Form 10-K under "Southern Power – Sale of Natural Gas and Biomass Plants" for additional information.

Business segment financial data for the three and six months ended June 30, 2020 and 2019 was as follows:

	Gas Distribution Operations		Gas Pipeline Investments		Wholesale Gas Services(*)			Gas Marketing Services			Total		All Other			Eliminations			Consolidated
	(in millions)
Three Months Ended June 30, 2020
Operating revenues	$	587	$	8	$	(19	)	$	56		$	632	$	8		$	(4	)	$	636
Segment net income (loss)	74		21		(23		)	5			77		(6		)	—			71
Six Months Ended June 30, 2020
Operating revenues	$	1,607	$	16	$	32		$	233		$	1,888	$	16		$	(19	)	$	1,885
Segment net income (loss)	238		51		—			62			351		(5		)	—			346
Total assets at June 30, 2020	18,276		1,617		637			1,480			22,010		10,645			(11,155		)	21,500
Three Months Ended June 30, 2019
Operating revenues	$	568	$	8	$	48		$	58		$	682	$	13		$	(6	)	$	689
Segment net income (loss)	58		25		23			(3		)	103		3			—			106
Six Months Ended June 30, 2019
Operating revenues	$	1,740	$	16	$	134		$	287		$	2,177	$	24		$	(38	)	$	2,163
Segment net income (loss)	191		57		70			58			376		—			—			376
Total assets at December 31, 2019	18,204		1,678		850			1,496			22,228		10,759			(11,300		)	21,687

(*) The revenues for wholesale gas services are netted with costs associated with its energy and risk management activities. A reconciliation of operating revenues and intercompany revenues is shown in the following table.

	Third Party Gross Revenues		Intercompany Revenues		Total Gross Revenues		Less Gross Gas Costs		Operating Revenues
	(in millions)
Three Months Ended June 30, 2020	$	854	$	18	$	872	$	891	$	(19	)
Three Months Ended June 30, 2019	1,223		63		1,286		1,238		48
Six Months Ended June 30, 2020	$	2,039	$	47	$	2,086	$	2,054	$	32
Six Months Ended June 30, 2019	3,148		151		3,299		3,165		134

Financial Data for Products and Services

	Electric Utilities' Revenues
	Retail		Wholesale		Other		Total
	(in millions)
Three Months Ended June 30, 2020	$	3,182	$	472	$	230	$	3,884
Three Months Ended June 30, 2019	3,540		542		208		4,290
Six Months Ended June 30, 2020	$	6,260	$	889	$	430	$	7,579
Six Months Ended June 30, 2019	6,623		1,041		421		8,085

	Southern Company Gas' Revenues
	Gas Distribution Operations		Wholesale Gas Services(*)			Gas Marketing Services		Other		Total
	(in millions)
Three Months Ended June 30, 2020	$	583	$	(19	)	$	56	$	16	$	636
Three Months Ended June 30, 2019	563		48			58		20		689
Six Months Ended June 30, 2020	$	1,596	$	32		$	233	$	24	$	1,885
Six Months Ended June 30, 2019	1,724		134			287		18		2,163

(*)

The revenues for wholesale gas services are netted with costs associated with its energy and risk management activities. See "Southern Company Gas" herein for additional information.