Condensed Consolidated Balance Sheets (Unaudited) - GAS - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 1,724	$ 1,798
Receivables —
Customer accounts	2,277	1,806
Unbilled revenues	807	711
Other accounts and notes	534	523
Accumulated provision for uncollectible accounts	(94)	(78)
Natural gas for sale	209	362
Prepaid expenses	528	330
Assets from risk management activities, net of collateral	247	151
Natural gas cost under recovery	361	266
Other regulatory assets	641	653
Other current assets	212	231
Total current assets	9,781	8,965
Property, Plant, and Equipment:
In service	117,418	115,592
Less: Accumulated depreciation	35,203	34,079
Plant in service, net of depreciation	82,215	81,513
Construction work in progress	9,770	8,771
Total property, plant, and equipment	92,822	91,108
Other Property and Investments:
Goodwill	5,280	5,280
Equity investments in unconsolidated subsidiaries	1,305	1,282
Other intangible assets, net of amortization	425	445
Miscellaneous property and investments	576	653
Total other property and investments	9,736	10,202
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	1,623	1,701
Prepaid pension costs	1,893	1,657
Other regulatory assets, deferred	5,448	5,577
Other deferred charges and assets	2,393	1,776
Total deferred charges and other assets	18,430	17,259
Total Assets	130,769	127,534
Current Liabilities:
Securities due within one year	1,052	2,157
Notes payable	2,510	1,440
Accounts payable —
Customer deposits	461	479
Accrued interest	553	533
Accrued compensation	807	1,070
Other regulatory liabilities	557	563
Other current liabilities	1,062	872
Total current liabilities	11,487	10,921
Long-term Debt	51,204	50,120
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	9,620	8,862
Deferred credits related to income taxes	5,318	5,401
Employee benefit obligations	1,509	1,550
Operating lease obligations, deferred	1,464	1,503
Other cost of removal obligations	1,993	2,103
Other deferred credits and liabilities	1,198	816
Total deferred credits and other liabilities	34,823	33,926
Total Liabilities	97,514	94,967
Common Stockholder's Equity (See accompanying statements)	33,013	32,276
Total Liabilities and Stockholders' Equity	130,769	127,534
SOUTHERN Co GAS
Current Assets:
Cash and cash equivalents	217	45
Receivables —
Customer accounts	379	462
Unbilled revenues	109	278
Other accounts and notes	53	49
Accumulated provision for uncollectible accounts	(55)	(39)
Natural gas for sale	209	362
Prepaid expenses	185	114
Assets from risk management activities, net of collateral	22	33
Natural gas cost under recovery	361	266
Other regulatory assets	105	136
Other current assets	53	49
Total current assets	1,638	1,755
Property, Plant, and Equipment:
In service	19,362	18,880
Less: Accumulated depreciation	5,201	5,067
Plant in service, net of depreciation	14,161	13,813
Construction work in progress	776	684
Total property, plant, and equipment	14,937	14,497
Other Property and Investments:
Goodwill	5,015	5,015
Equity investments in unconsolidated subsidiaries	1,134	1,173
Other intangible assets, net of amortization	31	37
Miscellaneous property and investments	19	19
Total other property and investments	6,199	6,244
Deferred Charges and Other Assets:
Operating lease right-of-use assets, net of amortization	63	70
Prepaid pension costs	192	175
Other regulatory assets, deferred	459	689
Other deferred charges and assets	130	130
Total deferred charges and other assets	844	1,064
Total Assets	23,618	23,560
Current Liabilities:
Securities due within one year	0	47
Notes payable	516	1,209
Accounts payable —
Affiliated	54	58
Other	494	361
Customer deposits	81	95
Accrued taxes	74	124
Accrued interest	58	59
Accrued compensation	91	110
Temporary LIFO liquidation	177	0
Other regulatory liabilities	37	8
Other current liabilities	161	155
Total current liabilities	1,743	2,226
Long-term Debt	6,785	6,855
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	1,595	1,555
Deferred credits related to income taxes	800	816
Employee benefit obligations	168	176
Operating lease obligations, deferred	55	59
Other cost of removal obligations	1,694	1,683
Accrued environmental remediation	181	197
Other deferred credits and liabilities	137	77
Total deferred credits and other liabilities	4,630	4,563
Total Liabilities	13,158	13,644
Common Stockholder's Equity (See accompanying statements)	10,460	9,916
Total Liabilities and Stockholders' Equity	$ 23,618	$ 23,560