Condensed Consolidated Balance Sheets (Unaudited) - SPC - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Current Assets:
Cash and cash equivalents	$ 1,053	$ 1,917
Receivables —
Customer accounts	1,890	2,128
Other accounts and notes	510	637
Materials and supplies	1,756	1,664
Other current assets	395	344
Total current assets	9,555	10,416
Property, Plant, and Equipment:
In service	118,690	117,529
Less: Accumulated depreciation	35,990	35,297
Plant in service, net of depreciation	82,700	82,232
Construction work in progress	11,510	10,896
Total property, plant, and equipment	95,630	94,570
Other Property and Investments:
Equity investments in unconsolidated subsidiaries	1,408	1,443
Total other property and investments	9,827	9,757
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	1,505	1,531
Other deferred charges and assets	1,456	1,485
Total deferred charges and other assets	19,744	20,148
Total Assets	134,756	134,891
Current Liabilities:
Securities due within one year	4,363	4,285
Notes payable	2,554	2,609
Accounts payable —
Accrued interest	487	614
Other current liabilities	915	787
Total current liabilities	13,893	15,724
Long-term Debt	52,060	50,656
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	10,488	10,036
Accumulated deferred ITCs	2,112	2,133
Operating lease obligations, deferred	1,374	1,388
Other deferred credits and liabilities	1,118	1,167
Total deferred credits and other liabilities	34,241	33,979
Total Liabilities	100,194	100,359
Total Stockholders' Equity (See accompanying statements)	34,562	34,532
Total Liabilities and Stockholders' Equity	134,756	134,891
SOUTHERN POWER CO
Current Assets:
Cash and cash equivalents	123	131
Receivables —
Customer accounts	133	226
Affiliated	39	51
Other accounts and notes	71	70
Materials and supplies	85	88
Prepaid income taxes	291	5
Other current assets	59	50
Total current assets	801	621
Property, Plant, and Equipment:
In service	14,635	14,658
Less: Accumulated depreciation	3,760	3,661
Plant in service, net of depreciation	10,875	10,997
Construction work in progress	43	41
Total property, plant, and equipment	10,918	11,038
Other Property and Investments:
Intangible assets, net of amortization	258	263
Equity investments in unconsolidated subsidiaries	0	49
Net investment in sales-type leases	152	154
Total other property and investments	410	466
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	487	489
Prepaid LTSAs	208	193
Other deferred charges and assets	310	274
Total deferred charges and other assets	1,005	956
Total Assets	13,134	13,081
Current Liabilities:
Securities due within one year	291	290
Notes payable	165	225
Accounts payable —
Affiliated	71	139
Other	31	67
Accrued taxes	22	24
Accrued interest	27	28
Other current liabilities	90	111
Total current liabilities	697	884
Long-term Debt	2,700	2,689
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	581	279
Accumulated deferred ITCs	1,541	1,556
Operating lease obligations, deferred	510	514
Other deferred credits and liabilities	247	243
Total deferred credits and other liabilities	2,879	2,592
Total Liabilities	6,276	6,165
Total Stockholders' Equity (See accompanying statements)	6,858	6,916
Total Liabilities and Stockholders' Equity	$ 13,134	$ 13,081