Condensed Consolidated Statements of Income (Unaudited) - GAS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating Revenues:
Total operating revenues	$ 6,463	$ 5,748	$ 13,109	$ 12,228
Operating Expenses:
Other operations and maintenance	1,409	1,489	2,881	2,929
Depreciation and amortization	1,182	1,112	2,327	2,222
Taxes other than income taxes	384	340	780	734
Total operating expenses	4,524	4,458	9,467	9,719
Operating Income	1,939	1,290	3,642	2,509
Other Income and (Expense):
Earnings from equity method investments	31	29	77	78
Interest expense, net of amounts capitalized	(694)	(610)	(1,358)	(1,192)
Other income (expense), net	151	142	302	286
Total other income and (expense)	(461)	(369)	(870)	(693)
Earnings Before Income Taxes	1,478	921	2,772	1,816
Income taxes (benefit)	290	98	513	194
Consolidated Net Income	1,188	823	2,259	1,622
SOUTHERN Co GAS
Operating Revenues:
Total operating revenues	$ 831	$ 852	$ 2,538	$ 2,728
Revenue, Product and Service [Extensible Enumeration]	Natural gas	Natural gas	Natural gas	Natural gas
Operating Expenses:
Cost, Product and Service [Extensible Enumeration]	Natural gas	Natural gas	Natural gas	Natural gas
Total cost of sales	$ 149	$ 199	$ 754	$ 1,097
Other operations and maintenance	288	309	581	615
Depreciation and amortization	158	143	313	284
Taxes other than income taxes	56	59	143	161
Total operating expenses	651	710	1,791	2,157
Operating Income	180	142	747	571
Other Income and (Expense):
Earnings from equity method investments	32	28	76	72
Interest expense, net of amounts capitalized	(83)	(73)	(167)	(150)
Other income (expense), net	15	17	35	32
Total other income and (expense)	(36)	(28)	(56)	(46)
Earnings Before Income Taxes	144	114	691	525
Income taxes (benefit)	36	29	174	132
Consolidated Net Income	$ 108	$ 85	$ 517	$ 393