Condensed Balance Sheets (Unaudited) - APC - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Current Assets:
Cash and cash equivalents	$ 1,676	$ 1,917
Receivables —
Customer accounts, net and Affiliated	2,230	2,128
Unbilled revenues	547	1,012
Other accounts and notes	553	637
Accumulated provision for uncollectible accounts	(78)	(71)
Fossil fuel stock	829	575
Materials and supplies	1,913	1,664
Prepaid expenses	321	347
Other regulatory assets	996	968
Other current assets	544	344
Total current assets	11,088	10,416
Property, Plant, and Equipment:
In service	125,573	117,529
Less: Accumulated depreciation	37,199	35,297
Plant in service, net of depreciation	88,374	82,232
Other utility plant, net	522	599
Nuclear fuel, at amortized cost	862	843
Construction work in progress	8,496	10,896
Total property, plant, and equipment	98,254	94,570
Other Property and Investments:
Nuclear decommissioning trusts, at fair value	2,207	2,145
Equity investments in unconsolidated subsidiaries	1,376	1,443
Miscellaneous property and investments	651	602
Total other property and investments	9,772	9,757
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	1,467	1,531
Deferred charges related to income taxes	889	866
Regulatory assets – asset retirement obligations	5,629	5,764
Other regulatory assets, deferred	5,666	5,918
Other deferred charges and assets	1,479	1,485
Total deferred charges and other assets	19,207	20,148
Total Assets	138,321	134,891
Current Liabilities:
Securities due within one year	3,076	4,285
Accounts payable —
Customer deposits	511	502
Accrued interest	573	614
Accrued compensation	936	1,127
Asset retirement obligations	727	694
Other regulatory liabilities	163	382
Other current liabilities	943	787
Total current liabilities	13,214	15,724
Long-term Debt	56,003	50,656
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	10,774	10,036
Deferred credits related to income taxes	4,813	5,235
Accumulated deferred ITCs	2,071	2,133
Employee benefit obligations	1,184	1,238
Operating lease obligations, deferred	1,320	1,388
Asset retirement obligations, deferred	9,872	10,146
Other regulatory liabilities, deferred	660	733
Other deferred credits and liabilities	1,166	1,167
Total deferred credits and other liabilities	33,800	33,979
Total Liabilities	103,017	100,359
Total Stockholders' Equity	35,304	34,532
Total Liabilities and Stockholders' Equity	138,321	134,891
Alabama Power
Current Assets:
Cash and cash equivalents	621	687
Receivables —
Unbilled revenues	162	174
Other accounts and notes	114	153
Accumulated provision for uncollectible accounts	(16)	(14)
Fossil fuel stock	342	229
Materials and supplies	624	557
Prepaid expenses	72	65
Other regulatory assets	549	474
Other current assets	171	67
Total current assets	3,376	2,924
Property, Plant, and Equipment:
In service	34,313	33,472
Less: Accumulated depreciation	11,042	10,470
Plant in service, net of depreciation	23,271	23,002
Other utility plant, net	522	599
Nuclear fuel, at amortized cost	240	239
Construction work in progress	1,759	1,526
Total property, plant, and equipment	25,792	25,366
Other Property and Investments:
Nuclear decommissioning trusts, at fair value	1,165	1,127
Equity investments in unconsolidated subsidiaries	53	57
Miscellaneous property and investments	156	124
Total other property and investments	1,374	1,308
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	88	71
Deferred charges related to income taxes	263	250
Prepaid pension and other postretirement benefit costs	735	657
Regulatory assets – asset retirement obligations	1,881	1,845
Other regulatory assets, deferred	1,706	2,107
Other deferred charges and assets	455	442
Total deferred charges and other assets	5,128	5,372
Total Assets	35,670	34,970
Current Liabilities:
Securities due within one year	522	301
Accounts payable —
Customer deposits	105	106
Accrued taxes	305	57
Accrued interest	84	120
Accrued compensation	193	229
Asset retirement obligations	342	330
Other regulatory liabilities	28	96
Other current liabilities	158	91
Total current liabilities	2,419	2,414
Long-term Debt	10,661	10,329
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	4,082	3,981
Deferred credits related to income taxes	1,626	1,925
Accumulated deferred ITCs	76	81
Employee benefit obligations	146	145
Operating lease obligations, deferred	81	67
Asset retirement obligations, deferred	3,859	3,957
Other regulatory liabilities, deferred	284	315
Other deferred credits and liabilities	85	69
Total deferred credits and other liabilities	10,239	10,540
Total Liabilities	23,319	23,283
Total Stockholders' Equity	12,351	11,687
Total Liabilities and Stockholders' Equity	35,670	34,970
Alabama Power | Nonrelated Party
Receivables —
Customer accounts, net and Affiliated	624	431
Accounts payable —
Affiliated and Other	377	641
Alabama Power | Related Party
Receivables —
Customer accounts, net and Affiliated	113	101
Accounts payable —
Affiliated and Other	$ 305	$ 443