Balance Sheets - APC - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 1,798	$ 1,065
Receivables —
Customer accounts	1,806	1,753
Unbilled revenues	711	672
Other accounts and notes	523	512
Accumulated provision for uncollectible accounts	(78)	(118)
Fossil fuel for generation	450	550
Materials and supplies	1,543	1,478
Prepaid expenses	330	276
Other regulatory assets	653	810
Other current assets	231	282
Total current assets	8,965	8,617
Property, Plant, and Equipment:
In service	115,592	110,516
Less: Accumulated depreciation	34,079	32,397
Plant in service, net of depreciation	81,513	78,119
Nuclear fuel, at amortized cost	824	818
Construction work in progress	8,771	8,697
Total property, plant, and equipment	91,108	87,634
Other Property and Investments:
Nuclear decommissioning trusts, at fair value	2,542	2,303
Equity investments in unconsolidated subsidiaries	1,282	1,362
Miscellaneous property and investments	653	398
Total other property and investments	10,202	10,386
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	1,701	1,802
Deferred charges related to income taxes	824	796
Regulatory assets – asset retirement obligations, deferred	5,466	4,934
Other regulatory assets, deferred	5,577	7,198
Other deferred charges and assets	1,776	1,288
Total deferred charges and other assets	17,259	16,298
Total Assets	127,534	122,935
Current Liabilities:
Securities due within one year	2,157	3,507
Accounts payable —
Customer deposits	479	487
Accrued interest	533	513
Accrued compensation	1,070	1,025
Asset retirement obligations	697	585
Other regulatory liabilities	563	509
Other current liabilities	872	968
Total current liabilities	10,921	12,079
Long-Term Debt	50,120	45,073
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	8,862	8,175
Deferred credits related to income taxes	5,401	5,767
Accumulated deferred ITCs	2,216	2,235
Employee benefit obligations	1,550	2,213
Operating lease obligations, deferred	1,503	1,611
Asset retirement obligations, deferred	10,990	10,099
Other cost of removal obligations	2,103	2,211
Other regulatory liabilities, deferred	485	251
Other deferred credits and liabilities	816	696
Total deferred credits and other liabilities	33,926	33,258
Total Liabilities	94,967	90,410
Cumulative preferred stock
Redeemable preferred stock	291	291
Common Stockholders' Equity:
Common stock	5,279	5,268
Paid-in capital	11,950	11,834
Retained earnings (accumulated deficit)	10,929	11,311
Accumulated other comprehensive loss	(237)	(395)
Total Stockholders' Equity (See accompanying statements)	32,276	32,234
Total Liabilities and Stockholders' Equity	127,534	122,935
Commitments and Contingent Matters (See notes)
Redeemable Preferred Stock, $100 par or stated value
Cumulative preferred stock
Redeemable preferred stock	48	48
Redeemable Preferred Stock, $1 par value
Cumulative preferred stock
Redeemable preferred stock	243	243
Alabama Power
Current Assets:
Cash and cash equivalents	1,060	530
Receivables —
Customer accounts	410	429
Unbilled revenues	138	152
Affiliated	37	31
Other accounts and notes	55	66
Accumulated provision for uncollectible accounts	(14)	(43)
Fossil fuel for generation	159	235
Materials and supplies	548	546
Prepaid expenses	41	42
Other regulatory assets	208	226
Other current assets	67	33
Total current assets	2,709	2,247
Property, Plant, and Equipment:
In service	33,135	31,816
Less: Accumulated depreciation	10,313	10,009
Plant in service, net of depreciation	22,822	21,807
Nuclear fuel, at amortized cost	247	270
Construction work in progress	1,147	866
Total property, plant, and equipment	24,216	22,943
Other Property and Investments:
Nuclear decommissioning trusts, at fair value	1,325	1,157
Equity investments in unconsolidated subsidiaries	57	63
Miscellaneous property and investments	126	131
Total other property and investments	1,508	1,351
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	108	151
Deferred charges related to income taxes	240	235
Prepaid pension and other postretirement benefit costs	513	0
Regulatory assets – asset retirement obligations, deferred	1,547	1,441
Other regulatory assets, deferred	1,807	2,162
Other deferred charges and assets	334	273
Total deferred charges and other assets	4,549	4,262
Total Assets	32,982	30,803
Current Liabilities:
Securities due within one year	751	311
Accounts payable —
Affiliated	309	316
Other	459	545
Customer deposits	106	104
Accrued taxes	98	152
Accrued interest	100	90
Accrued compensation	219	212
Asset retirement obligations	320	254
Other regulatory liabilities	215	108
Other current liabilities	125	107
Total current liabilities	2,702	2,199
Long-Term Debt	8,936	8,558
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	3,573	3,273
Deferred credits related to income taxes	1,968	2,016
Accumulated deferred ITCs	88	94
Employee benefit obligations	171	214
Operating lease obligations, deferred	66	119
Asset retirement obligations, deferred	4,014	3,720
Other cost of removal obligations	192	335
Other regulatory liabilities, deferred	210	124
Other deferred credits and liabilities	58	50
Total deferred credits and other liabilities	10,340	9,945
Total Liabilities	21,978	20,702
Cumulative preferred stock
Redeemable preferred stock	291	291
Common Stockholders' Equity:
Common stock	1,222	1,222
Paid-in capital	6,056	5,413
Retained earnings (accumulated deficit)	3,448	3,194
Accumulated other comprehensive loss	(13)	(19)
Total Stockholders' Equity (See accompanying statements)	10,713	9,810
Total Liabilities and Stockholders' Equity	32,982	30,803
Commitments and Contingent Matters (See notes)
Alabama Power | Redeemable Preferred Stock, $100 par or stated value
Cumulative preferred stock
Redeemable preferred stock	48	48
Alabama Power | Redeemable Preferred Stock, $1 par value
Cumulative preferred stock
Redeemable preferred stock	$ 243	$ 243