Amount of variable rate pollution control revenue bonds outstanding requiring liquidity support.

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- Definition

Amount of Fixed rate pollution control revenue bonds outstanding requiring liquidity support.

+ References

No definition available.

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- Definition

Line Of Credit Expire Year One

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- Definition

Line Of Credit Expire Year Three

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- Definition

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Financing - Narrative (Details) - USD ($)	Sep. 30, 2021	Aug. 31, 2021	Jul. 31, 2021	May 31, 2021	Apr. 30, 2021
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 7,655,000,000
Line of credit expiring in 2022	280,000,000
Line of credit expiring in 2024	700,000,000
Variable rate pollution control revenue bonds outstanding	1,600,000,000
ALABAMA POWER CO
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	1,250,000,000			$ 700,000,000	$ 800,000,000
Line of credit expiring in 2022	0		$ 525,000,000
Line of credit expiring in 2024	550,000,000	$ 550,000,000
Variable rate pollution control revenue bonds outstanding	854,000,000
SOUTHERN Co GAS
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	1,750,000,000			1,500,000,000	$ 1,750,000,000
Line of credit expiring in 2022	250,000,000
Line of credit expiring in 2024	0
MISSISSIPPI POWER CO
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	275,000,000			$ 150,000,000
Line of credit expiring in 2022	0
Line of credit expiring in 2024	150,000,000
Variable rate pollution control revenue bonds outstanding	34,000,000
Fixed rate pollution control revenue bonds outstanding	50,000,000
GEORGIA POWER CO
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	1,750,000,000
Line of credit expiring in 2022	0
Line of credit expiring in 2024	0
Variable rate pollution control revenue bonds outstanding	672,000,000
Fixed rate pollution control revenue bonds outstanding	$ 262,000,000