Condensed Consolidated Balance Sheets (Unaudited) - Southern - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Current Assets:
Cash and cash equivalents	$ 3,341	$ 1,070
Receivables —
Customer accounts	2,304	2,228
Unbilled revenues	685	825
Under recovered fuel clause revenues	517	713
Other accounts and notes	476	597
Accumulated provision for uncollectible accounts	(79)	(74)
Materials and supplies	2,158	2,178
Fossil fuel for generation	682	803
Natural gas for sale	415	388
Prepaid expenses	324	294
Assets from risk management activities, net of collateral	56	39
Regulatory assets – asset retirement obligations	353	353
Other regulatory assets	793	804
Other current assets	602	476
Total current assets	12,627	10,694
Property, Plant, and Equipment:
In service	143,189	137,143
Less: Accumulated depreciation	42,793	40,126
Plant in service, net of depreciation	100,396	97,017
Other utility plant, net	331	410
Nuclear fuel, at amortized cost	914	873
Construction work in progress	9,239	6,389
Total property, plant, and equipment	110,880	104,689
Other Property and Investments:
Goodwill	5,161	5,161
Nuclear decommissioning trusts, at fair value	2,884	2,621
Equity investments in unconsolidated subsidiaries	1,303	1,416
Other intangible assets, net of amortization	308	332
Miscellaneous property and investments	696	668
Total other property and investments	10,352	10,198
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	1,378	1,386
Deferred charges related to income taxes	911	889
Prepaid pension costs	2,982	2,674
Unamortized loss on reacquired debt	191	203
Deferred under recovered fuel clause revenues	197	485
Regulatory assets – asset retirement obligations, deferred	5,047	5,458
Other regulatory assets, deferred	7,361	7,037
Other deferred charges and assets	1,322	1,467
Total deferred charges and other assets	19,389	19,599
Total Assets	153,248	145,180
Current Liabilities:
Securities due within one year	7,541	4,718
Notes payable	144	1,338
Accounts payable	3,017	3,701
Customer deposits	489	486
Accrued taxes —
Accrued income taxes	456	57
Other accrued taxes	966	997
Accrued interest	602	682
Accrued compensation	1,206	1,261
Asset retirement obligations	680	731
Liabilities from risk management activities, net of collateral	98	160
Operating lease obligations	198	200
Natural gas cost over recovery	163	193
Other regulatory liabilities	196	369
Other current liabilities	970	1,100
Total current liabilities	16,726	15,993
Long-term Debt	64,621	58,768
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	12,250	11,730
Deferred credits related to income taxes	4,381	4,434
Accumulated deferred ITCs	1,994	2,056
Employee benefit obligations	955	1,011
Operating lease obligations, deferred	1,242	1,253
Asset retirement obligations, deferred	8,774	9,203
Other cost of removal obligations	2,032	2,016
Other regulatory liabilities, deferred	642	692
Other deferred credits and liabilities	1,357	1,350
Total deferred credits and other liabilities	33,627	33,745
Total Liabilities	114,974	108,506
Total Stockholders' Equity	38,274	36,674
Total Liabilities and Stockholders' Equity	$ 153,248	$ 145,180