Consolidated Balance Sheets - SPC - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 1,917	$ 1,798
Receivables —
Customer accounts	2,138	1,806
Other accounts and notes	637	523
Materials and supplies	1,664	1,543
Other current assets	344	231
Total current assets	10,416	8,965
Property, Plant, and Equipment:
In service	117,529	115,592
Less: Accumulated depreciation	35,297	34,079
Plant in service, net of depreciation	82,232	81,513
Construction work in progress	10,896	8,771
Total property, plant, and equipment	94,570	91,108
Other Property and Investments:
Equity investments in unconsolidated subsidiaries	1,443	1,282
Total other property and investments	9,757	10,202
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	1,531	1,701
Other deferred charges and assets	1,485	1,366
Total deferred charges and other assets	20,148	17,259
Total Assets	134,891	127,534
Current Liabilities:
Securities due within one year	4,285	2,157
Notes payable	2,609	1,440
Accounts payable —
Accrued interest	614	533
Other current liabilities	965	872
Total current liabilities	15,724	10,921
Long-Term Debt	50,656	50,120
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	10,036	8,862
Accumulated deferred ITCs	2,133	2,216
Operating lease obligations, deferred	1,388	1,503
Other deferred credits and liabilities	1,167	816
Total deferred credits and other liabilities	33,979	33,926
Total Liabilities	100,359	94,967
Common Stockholders' Equity:
Common stock	5,417	5,279
Paid-in capital	13,673	11,950
Retained earnings (accumulated deficit)	11,538	10,929
Accumulated other comprehensive loss	(167)	(237)
Total common stockholders' equity	30,408	27,874
Noncontrolling Interests	4,124	4,402
Total Stockholders' Equity (See accompanying statements)	34,532	32,276
Total Liabilities and Stockholders' Equity	134,891	127,534
Commitments and Contingent Matters
Southern Power
Current Assets:
Cash and cash equivalents	131	107
Receivables —
Customer accounts	226	139
Affiliated	51	51
Other accounts and notes	70	29
Materials and supplies	88	106
Prepaid income taxes	5	27
Other current assets	50	46
Total current assets	621	505
Property, Plant, and Equipment:
In service	14,658	14,585
Less: Accumulated depreciation	3,661	3,241
Plant in service, net of depreciation	10,997	11,344
Construction work in progress	41	45
Total property, plant, and equipment	11,038	11,389
Other Property and Investments:
Intangible assets, net of amortization of $129 and $109, respectively	263	282
Equity investments in unconsolidated subsidiaries	49	86
Net investment in sales-type leases	154	161
Total other property and investments	466	529
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	489	479
Prepaid LTSAs	193	210
Income taxes receivable, non-current	19	20
Other deferred charges and assets	255	258
Total deferred charges and other assets	956	967
Total Assets	13,081	13,390
Current Liabilities:
Securities due within one year	290	679
Notes payable	225	211
Accounts payable —
Affiliated	139	92
Other	67	85
Accrued taxes	24	14
Accrued interest	28	32
Other current liabilities	111	140
Total current liabilities	884	1,253
Long-Term Debt	2,689	3,009
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	279	215
Accumulated deferred ITCs	1,556	1,614
Operating lease obligations, deferred	514	497
Other deferred credits and liabilities	243	204
Total deferred credits and other liabilities	2,592	2,530
Total Liabilities	6,165	6,792
Common Stockholders' Equity:
Common stock	0	0
Paid-in capital	1,069	638
Retained earnings (accumulated deficit)	1,741	1,585
Accumulated other comprehensive loss	(18)	(27)
Total common stockholders' equity	2,792	2,196
Noncontrolling Interests	4,124	4,402
Total Stockholders' Equity (See accompanying statements)	6,916	6,598
Total Liabilities and Stockholders' Equity	13,081	13,390
Commitments and Contingent Matters