Pipeline Infrastructure

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- Definition

Undivided Ownership Interest To Be Leased

+ References

No definition available.

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- Definition

Undivided Ownership Interest To Be Sold

+ References

No definition available.

+ Details

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- Definition

The period end amount owned by the reporting utility of a jointly owned utility plant in service.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 360
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 10.C)
-URI http://asc.fasb.org/extlink&oid=115995737&loc=d3e659983-123033

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- Definition

The period end amount of construction work in progress at a jointly owned electricity generation plant.

+ References

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- Definition

The period end amount of accumulated depreciation in a jointly owned electricity generation plant.

+ References

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- Definition

The proportionate share of interest (percent) in a jointly owned utility plant.

+ References

+ Details

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- Definition

Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84164653&loc=d3e41551-112718

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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PROPERTY, PLANT, AND EQUIPMENT - Ownership and Investment in Jointly-Owned Facilities (Details) $ in Millions	1 Months Ended	60 Months Ended
	Aug. 31, 2017 USD ($)	Jan. 15, 2024	Dec. 31, 2019 USD ($) mi	Oct. 24, 2019
Alabama Power
Other Ownership Interests [Line Items]
Percent Ownership			14.00%
Alabama Power \| Greene County (natural gas) Units 1 and 2
Other Ownership Interests [Line Items]
Percent Ownership			60.00%
Plant in Service			$ 182
Accumulated Depreciation			71
CWIP			$ 1
Alabama Power \| Plant Miller (coal) Units 1 and 2
Other Ownership Interests [Line Items]
Percent Ownership			91.80%
Plant in Service			$ 2,058
Accumulated Depreciation			630
CWIP			$ 65
Georgia Power \| Plant Hatch (nuclear)
Other Ownership Interests [Line Items]
Percent Ownership			50.10%
Plant in Service			$ 1,316
Accumulated Depreciation			603
CWIP			$ 40
Georgia Power \| Plant Vogtle (nuclear) Units 1 and 2
Other Ownership Interests [Line Items]
Percent Ownership			45.70%
Plant in Service			$ 3,565
Accumulated Depreciation			2,177
CWIP			$ 96
Georgia Power \| Plant Scherer (coal) Units 1 and 2
Other Ownership Interests [Line Items]
Percent Ownership			8.40%
Plant in Service			$ 266
Accumulated Depreciation			94
CWIP			$ 14
Georgia Power \| Plant Scherer (coal) Unit 3
Other Ownership Interests [Line Items]
Percent Ownership			75.00%
Plant in Service			$ 1,267
Accumulated Depreciation			492
CWIP			$ 47
Georgia Power \| Plant Wansley (coal)
Other Ownership Interests [Line Items]
Percent Ownership			53.50%
Plant in Service			$ 1,059
Accumulated Depreciation			367
CWIP			$ 10
Georgia Power \| Rocky Mountain (pumped storage)
Other Ownership Interests [Line Items]
Percent Ownership			25.40%
Plant in Service			$ 182
Accumulated Depreciation			139
CWIP			$ 0
Mississippi Power
Other Ownership Interests [Line Items]
Percent Ownership				50.00%
Mississippi Power \| Plant Daniel (coal) Units 1 and 2
Other Ownership Interests [Line Items]
Percent Ownership			50.00%
Plant in Service			$ 750
Accumulated Depreciation			214
CWIP			$ 11
Southern Company Gas \| Dalton Pipeline (natural gas pipeline)
Other Ownership Interests [Line Items]
Percent Ownership			50.00%
Plant in Service			$ 271
Accumulated Depreciation			10
CWIP			$ 0
Pipeline infrastructure (miles) \| mi			115
Agreement to lease undivided ownership (percent)	50.00%
Future minimum payments receivable	$ 26
Alabama Power \| Mississippi Power \| Greene County (natural gas) Units 1 and 2
Other Ownership Interests [Line Items]
Percent Ownership			40.00%
Plant in Service			$ 118
Accumulated Depreciation			46
CWIP			$ 1
Plant Daniel \| Scenario, Forecast \| Gulf Power
Other Ownership Interests [Line Items]
Ownership interest to be sold (percent)		50.00%