Condensed Consolidated Balance Sheets (Unaudited) - SPC - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Current Assets:
Cash and cash equivalents	$ 2,123	$ 1,917
Receivables —
Customer and affiliated accounts, net	1,852	2,128
Other accounts and notes	568	637
Materials and supplies	1,846	1,664
Other current assets	310	344
Total current assets	10,979	10,416
Property, Plant, and Equipment:
In service	119,852	117,529
Less: Accumulated depreciation	36,500	35,297
Plant in service, net of depreciation	83,352	82,232
Construction work in progress	11,992	10,896
Total property, plant, and equipment	96,767	94,570
Other Property and Investments:
Equity investments in unconsolidated subsidiaries	1,382	1,443
Total other property and investments	9,845	9,757
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	1,481	1,531
Other deferred charges and assets	1,469	1,485
Total deferred charges and other assets	19,525	20,148
Total Assets	137,116	134,891
Current Liabilities:
Securities due within one year	4,063	4,285
Notes payable	1,647	2,609
Accounts payable —
Accrued interest	652	614
Other current liabilities	870	787
Total current liabilities	13,240	15,724
Long-term Debt	55,134	50,656
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	10,623	10,036
Accumulated deferred ITCs	2,091	2,133
Operating lease obligations, deferred	1,356	1,388
Other deferred credits and liabilities	1,092	1,167
Total deferred credits and other liabilities	34,094	33,979
Total Liabilities	102,468	100,359
Total Stockholders' Equity (See accompanying statements)	34,648	34,532
Total Liabilities and Stockholders' Equity	137,116	134,891
SOUTHERN POWER CO
Current Assets:
Cash and cash equivalents	169	131
Receivables —
Other accounts and notes	67	70
Materials and supplies	82	88
Prepaid income taxes	228	5
Other current assets	54	50
Total current assets	821	621
Property, Plant, and Equipment:
In service	14,675	14,658
Less: Accumulated depreciation	3,875	3,661
Plant in service, net of depreciation	10,800	10,997
Construction work in progress	18	41
Total property, plant, and equipment	10,818	11,038
Other Property and Investments:
Intangible assets, net of amortization	253	263
Equity investments in unconsolidated subsidiaries	0	49
Net investment in sales-type leases	151	154
Total other property and investments	404	466
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	485	489
Prepaid LTSAs	209	193
Other deferred charges and assets	309	274
Total deferred charges and other assets	1,003	956
Total Assets		13,081
Current Liabilities:
Securities due within one year	291	290
Notes payable	100	225
Accounts payable —
Accrued taxes	31	24
Accrued interest	24	28
Other current liabilities	88	111
Total current liabilities	637	884
Long-term Debt	2,699	2,689
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	598	279
Accumulated deferred ITCs	1,527	1,556
Operating lease obligations, deferred	510	514
Other deferred credits and liabilities	228	243
Total deferred credits and other liabilities	2,863	2,592
Total Liabilities	6,199	6,165
Total Stockholders' Equity (See accompanying statements)	6,847	6,916
Total Liabilities and Stockholders' Equity	13,046	13,081
SOUTHERN POWER CO | Nonrelated Party
Receivables —
Customer and affiliated accounts, net	157	226
Accounts payable —
Affiliated	30	67
Other	30	67
SOUTHERN POWER CO | Related Party
Receivables —
Customer and affiliated accounts, net	64	51
Accounts payable —
Affiliated	73	139
Other	$ 73	$ 139