Condensed Consolidated Balance Sheets (Unaudited) - SPC - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 1,662	$ 1,798
Receivables —
Customer accounts	2,006	1,806
Other accounts and notes	509	523
Materials and supplies	1,571	1,543
Other current assets	201	231
Total current assets	9,297	8,965
Property, Plant, and Equipment:
In service	116,259	115,592
Less: Accumulated depreciation	34,645	34,079
Plant in service, net of depreciation	81,614	81,513
Construction work in progress	9,337	8,771
Total property, plant, and equipment	91,790	91,108
Other Property and Investments:
Equity investments in unconsolidated subsidiaries	1,293	1,282
Total other property and investments	10,044	10,202
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	1,693	1,701
Other deferred charges and assets	1,898	1,776
Total deferred charges and other assets	17,508	17,259
Total Assets	128,639	127,534
Current Liabilities:
Securities due within one year	1,193	2,157
Notes payable	2,330	1,440
Accounts payable —
Accrued interest	404	533
Other current liabilities	1,105	872
Total current liabilities	10,434	10,921
Long-term Debt	50,633	50,120
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	9,506	8,862
Accumulated deferred ITCs	2,196	2,216
Operating lease obligations, deferred	1,521	1,503
Other deferred credits and liabilities	966	816
Total deferred credits and other liabilities	34,652	33,926
Total Liabilities	95,719	94,967
Total Stockholders' Equity (See accompanying statements)	32,629	32,276
Total Liabilities and Stockholders' Equity	128,639	127,534
Southern Power
Current Assets:
Cash and cash equivalents	130	107
Receivables —
Customer accounts	160	139
Affiliated	26	51
Other accounts and notes	21	29
Materials and supplies	108	106
Prepaid income taxes	468	27
Other current assets	49	46
Total current assets	962	505
Property, Plant, and Equipment:
In service	14,594	14,585
Less: Accumulated depreciation	3,341	3,241
Plant in service, net of depreciation	11,253	11,344
Construction work in progress	49	45
Total property, plant, and equipment	11,302	11,389
Other Property and Investments:
Intangible assets, net of amortization	278	282
Equity investments in unconsolidated subsidiaries	56	86
Net investment in sales-type leases	159	161
Total other property and investments	493	529
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	517	479
Prepaid LTSAs	219	210
Income taxes receivable, non-current	23	20
Other deferred charges and assets	250	258
Total deferred charges and other assets	1,009	967
Total Assets	13,766	13,390
Current Liabilities:
Securities due within one year	666	679
Notes payable	208	211
Accounts payable —
Affiliated	82	92
Other	67	85
Accrued taxes	21	14
Accrued interest	32	32
Other current liabilities	121	140
Total current liabilities	1,197	1,253
Long-term Debt	2,999	3,009
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	661	215
Accumulated deferred ITCs	1,600	1,614
Operating lease obligations, deferred	535	497
Other deferred credits and liabilities	218	204
Total deferred credits and other liabilities	3,014	2,530
Total Liabilities	7,210	6,792
Total Stockholders' Equity (See accompanying statements)	6,556	6,598
Total Liabilities and Stockholders' Equity	$ 13,766	$ 13,390