Consolidated Balance Sheets - SPC - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Current Assets:
Cash and cash equivalents	$ 1,070	$ 748
Receivables —
Customer accounts, net and affiliated	2,228	2,030
Other	597	519
Materials and supplies	2,178	1,989
Other current assets	476	533
Total current assets	10,694	10,432
Property, Plant, and Equipment:
In service	137,143	128,428
Less: Accumulated provision for depreciation	40,126	37,725
Plant in service, net of depreciation	97,017	90,703
Construction work in progress	6,389	7,784
Total property, plant, and equipment	104,689	99,844
Other Property and Investments:
Other Property and Investments	10,198	9,986
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	1,386	1,432
Other deferred charges and assets	1,467	1,468
Total deferred charges and other assets	19,599	19,069
Total Assets	145,180	139,331
Current Liabilities:
Securities due within one year	4,718	2,476
Notes payable	1,338	2,314
Accounts payable —
Accrued interest	682	652
Operating lease obligations	200	183
Other current liabilities	1,100	1,029
Total current liabilities	15,993	13,467
Long-Term Debt	58,768	57,210
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	11,730	10,990
Accumulated deferred ITCs	2,056	2,067
Operating lease obligations, deferred	1,253	1,307
Other deferred credits and liabilities	1,350	1,031
Total deferred credits and other liabilities	33,745	33,429
Total Liabilities	108,506	104,106
Common Stockholders' Equity:
Common stock	5,446	5,423
Paid-in capital	14,149	13,775
Retained earnings	13,750	12,482
Accumulated other comprehensive loss	(78)	(177)
Total common stockholders' equity	33,208	31,444
Noncontrolling Interests	3,466	3,781
Total Stockholders' Equity (See accompanying statements)	36,674	35,225
Total Liabilities and Stockholders' Equity	145,180	139,331
Commitments and Contingent Matters
Southern Power
Current Assets:
Cash and cash equivalents	159	124
Receivables —
Customer accounts, net and affiliated	122	136
Other	90	54
Materials and supplies	107	80
Other current assets	82	92
Total current assets	599	523
Property, Plant, and Equipment:
In service	14,961	14,690
Less: Accumulated provision for depreciation	4,540	4,119
Plant in service, net of depreciation	10,421	10,571
Construction work in progress	317	278
Total property, plant, and equipment	10,738	10,849
Other Property and Investments:
Intangible assets, net of amortization of $168 and $148, respectively	223	243
Net investment in sales-type leases	143	148
Other Property and Investments	366	391
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	484	488
Prepaid LTSAs	234	248
Other deferred charges and assets	232	262
Total deferred charges and other assets	950	998
Total Assets	12,653	12,761
Current Liabilities:
Securities due within one year	500	0
Notes payable	0	138
Accounts payable —
Affiliated and other	100	91
Accrued taxes	18	26
Accrued interest	26	27
Operating lease obligations	29	29
Other current liabilities	96	97
Total current liabilities	849	490
Long-Term Debt	2,180	2,711
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	712	614
Accumulated deferred ITCs	1,440	1,498
Operating lease obligations, deferred	511	517
Other deferred credits and liabilities	279	233
Total deferred credits and other liabilities	2,942	2,862
Total Liabilities	5,971	6,063
Common Stockholders' Equity:
Common stock	0	0
Paid-in capital	1,306	1,088
Retained earnings	1,912	1,846
Accumulated other comprehensive loss	(2)	(17)
Total common stockholders' equity	3,216	2,917
Noncontrolling Interests	3,466	3,781
Total Stockholders' Equity (See accompanying statements)	6,682	6,698
Total Liabilities and Stockholders' Equity	12,653	12,761
Commitments and Contingent Matters
Southern Power | Related Party
Receivables —
Customer accounts, net and affiliated	39	37
Accounts payable —
Affiliated and other	$ 80	$ 82