Lease, Weighted Average Remaining Lease Term

No definition available.

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- Definition

Lessee, Lease, Term Of Contract

+ References

No definition available.

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- Definition

Lessor, Operating Lease, Remaining Lease Term

+ References

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- Definition

Public Utilities, Requested Number of Affiliate Power Purchase Agreements to be Certified

+ References

No definition available.

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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- Definition

Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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- Definition

Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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- Definition

Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-3

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- Definition

Term of lessor's sales-type lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
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-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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- Definition

Amount of unrecorded obligation to transfer funds in future for fixed or minimum amount or quantity of product and service at fixed or minimum price. Includes, but is not limited to, lease not yet commenced and take-or-pay and throughput contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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- Definition

Amount of cash outflow for variable lease payment excluded from lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-5

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LEASES - Additional Information (Details) $ in Millions			12 Months Ended
LEASES - Additional Information (Details) $ in Millions	Dec. 31, 2024 USD ($) agreement	Jun. 27, 2024 agreement	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease obligations	$ 1,453		$ 1,453	$ 1,490
Maximum \| Real estate
Lessee, Lease, Description [Line Items]
Remaining terms			20 years
Maximum \| Land
Lessee, Lease, Description [Line Items]
Lessee, lease term			44 years
Maximum \| Communication towers
Lessee, Lease, Description [Line Items]
Lessee, lease term			16 years
Maximum \| Fuel cells
Lessee, Lease, Description [Line Items]
Lessor, lease term, operating lease	9 years		9 years
Alabama Power
Lessee, Lease, Description [Line Items]
Operating lease obligations	$ 90		$ 90	93
Alabama Power \| Maximum \| Electric generating units
Lessee, Lease, Description [Line Items]
Operating lease remaining lease term	15 years		15 years
Alabama Power \| Minimum \| Electric generating units
Lessee, Lease, Description [Line Items]
Operating lease remaining lease term	3 years		3 years
Georgia Power
Lessee, Lease, Description [Line Items]
Requested number of affiliate power purchase agreements to be certified \| agreement	2	5
Lease not yet commenced, term	10 years		10 years
Lease not yet commenced amount	$ 83		$ 83
Operating lease obligations	$ 1,328		1,328	875
Variable lease, payment			45	42	$ 45
Georgia Power \| Purchased power, affiliates
Lessee, Lease, Description [Line Items]
Variable lease, payment			$ 22	21	$ 21
Georgia Power \| Maximum \| Outdoor lighting
Lessee, Lease, Description [Line Items]
Lessor, lease term, operating lease	15 years		15 years
Mississippi Power
Lessee, Lease, Description [Line Items]
Operating lease obligations	$ 8		$ 8	9
Mississippi Power \| Maximum \| Electric generating units
Lessee, Lease, Description [Line Items]
Lessor, sales-type lease, term of contract	14 years		14 years
Southern Power
Lessee, Lease, Description [Line Items]
Operating lease obligations	$ 540		$ 540	546
Southern Power \| Maximum \| Electric generating units
Lessee, Lease, Description [Line Items]
Lessor, lease term, operating lease	22 years		22 years
Lessor, sales-type lease, term of contract	17 years		17 years
Southern Company Gas
Lessee, Lease, Description [Line Items]
Lease not yet commenced, term	11 years 6 months		11 years 6 months
Lease not yet commenced amount	$ 105		$ 105
Operating lease obligations	41		$ 41	51
Southern Company Gas \| Maximum
Lessee, Lease, Description [Line Items]
Lessor, remaining term			18 years
Affiliate \| Georgia Power \| Electric generating units
Lessee, Lease, Description [Line Items]
Operating lease obligations	$ 893		$ 893	$ 416
Traditional Electric Operating Companies \| Maximum \| Outdoor lighting
Lessee, Lease, Description [Line Items]
Lessor, lease term, operating lease	10 years		10 years