Condensed Consolidated Balance Sheets (Unaudited) - SPC - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Current Assets:
Cash and cash equivalents	$ 1,018	$ 748
Receivables —
Customer accounts, net and Affiliated	2,327	2,030
Other	909	519
Materials and supplies	2,169	1,989
Other current assets	562	569
Total current assets	11,040	10,432
Property, Plant, and Equipment:
In service	134,889	128,428
Less: Accumulated depreciation	39,536	37,725
Plant in service, net of depreciation	95,353	90,703
Construction work in progress	6,232	7,784
Total property, plant, and equipment	102,897	99,844
Other Property and Investments:
Total other property and investments	10,223	9,986
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	1,415	1,432
Other deferred charges and assets	1,484	1,468
Total deferred charges and other assets	19,796	19,069
Total Assets	143,956	139,331
Current Liabilities:
Notes payable	722	2,314
Accounts payable —
Accrued interest	570	652
Operating lease obligations	197	183
Other current liabilities	1,104	1,029
Total current liabilities	12,165	13,467
Long-term Debt	61,254	57,210
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	11,727	10,990
Accumulated deferred ITCs	2,003	2,067
Operating lease obligations, deferred	1,267	1,307
Other deferred credits and liabilities	1,075	1,031
Total deferred credits and other liabilities	33,632	33,429
Total Liabilities	107,051	104,106
Total Stockholders' Equity (See accompanying statements)	36,905	35,225
Total Liabilities and Stockholders' Equity	143,956	139,331
SOUTHERN POWER CO
Current Assets:
Cash and cash equivalents	179	124
Receivables —
Other	39	54
Materials and supplies	96	80
Other current assets	86	92
Total current assets	607	523
Property, Plant, and Equipment:
In service	14,946	14,690
Less: Accumulated depreciation	4,444	4,119
Plant in service, net of depreciation	10,502	10,571
Construction work in progress	187	278
Total property, plant, and equipment	10,689	10,849
Other Property and Investments:
Intangible assets, net of amortization	228	243
Net investment in sales-type leases	144	148
Total other property and investments	372	391
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	486	488
Prepaid LTSAs	247	248
Other deferred charges and assets	245	262
Total deferred charges and other assets	978	998
Total Assets	12,646	12,761
Current Liabilities:
Notes payable	62	138
Accounts payable —
Accrued taxes	45	26
Accrued interest	22	27
Operating lease obligations	28	29
Other current liabilities	90	97
Total current liabilities	390	490
Long-term Debt	2,720	2,711
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	719	614
Accumulated deferred ITCs	1,454	1,498
Operating lease obligations, deferred	510	517
Other deferred credits and liabilities	251	233
Total deferred credits and other liabilities	2,934	2,862
Total Liabilities	6,044	6,063
Total Stockholders' Equity (See accompanying statements)	6,602	6,698
Total Liabilities and Stockholders' Equity	12,646	12,761
SOUTHERN POWER CO | Nonrelated Party
Receivables —
Customer accounts, net and Affiliated	164	136
Accounts payable —
Affiliated and Other	73	91
SOUTHERN POWER CO | Related Party
Receivables —
Customer accounts, net and Affiliated	43	37
Accounts payable —
Affiliated and Other	$ 70	$ 82