Consolidated Balance Sheets - GAS - 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
Unbilled revenues	1,012	711
Other accounts and notes	637	523
Accumulated provision for uncollectible accounts	(71)	(78)
Natural gas for sale	438	362
Prepaid expenses	347	330
Natural gas cost under recovery	108	266
Other regulatory assets	860	653
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:
Goodwill	5,161	5,280
Equity investments in unconsolidated subsidiaries	1,443	1,282
Other intangible assets, net of amortization	406	445
Miscellaneous property and investments	602	653
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
Prepaid pension costs	2,290	1,657
Other regulatory assets, deferred	5,918	5,577
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 —
Customer deposits	502	479
Accrued compensation	1,127	1,070
Other regulatory liabilities	382	563
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
Deferred credits related to income taxes	5,235	5,401
Employee benefit obligations	1,238	1,550
Operating lease obligations, deferred	1,388	1,503
Other cost of removal obligations	1,903	2,103
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
Retained earnings (accumulated deficit)	11,538	10,929
Accumulated other comprehensive loss	(167)	(237)
Total Stockholders' Equity (See accompanying statements)	34,532	32,276
Total Liabilities and Stockholders' Equity	134,891	127,534
Commitments and Contingent Matters
Southern Company Gas
Current Assets:
Cash and cash equivalents	81	45
Receivables —
Customer accounts	616	462
Unbilled revenues	453	278
Other accounts and notes	76	49
Accumulated provision for uncollectible accounts	(50)	(39)
Natural gas for sale	438	362
Prepaid expenses	93	114
Natural gas cost under recovery	108	266
Other regulatory assets	119	136
Other current assets	104	82
Total current assets	2,038	1,755
Property, Plant, and Equipment:
In service	19,723	18,880
Less: Accumulated depreciation	5,276	5,067
Plant in service, net of depreciation	14,447	13,813
Construction work in progress	909	684
Total property, plant, and equipment	15,356	14,497
Other Property and Investments:
Goodwill	5,015	5,015
Equity investments in unconsolidated subsidiaries	1,276	1,173
Other intangible assets, net of amortization	26	37
Miscellaneous property and investments	28	19
Total other property and investments	6,345	6,244
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	57	70
Prepaid pension costs	183	175
Other regulatory assets, deferred	497	689
Other deferred charges and assets	145	130
Total deferred charges and other assets	882	1,064
Total Assets	24,621	23,560
Current Liabilities:
Securities due within one year	400	47
Notes payable	768	1,209
Accounts payable —
Affiliated	104	58
Other	701	361
Customer deposits	125	95
Accrued taxes	77	124
Accrued compensation	105	110
Other regulatory liabilities	36	8
Other current liabilities	254	214
Total current liabilities	2,570	2,226
Long-Term Debt	7,042	6,855
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	1,560	1,555
Deferred credits related to income taxes	788	816
Employee benefit obligations	120	176
Operating lease obligations, deferred	51	59
Other cost of removal obligations	1,707	1,683
Accrued environmental remediation	207	197
Other deferred credits and liabilities	179	77
Total deferred credits and other liabilities	4,612	4,563
Total Liabilities	14,224	13,644
Common Stockholders' Equity:
Common stock	10,445	10,024
Retained earnings (accumulated deficit)	(79)	(132)
Accumulated other comprehensive loss	31	24
Total Stockholders' Equity (See accompanying statements)	10,397	9,916
Total Liabilities and Stockholders' Equity	24,621	23,560
Commitments and Contingent Matters