Guarantee of Unsecured Senior Notes

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- Definition

jointly owned affiliate equity

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- Definition

Jointly Owned Affiliate Long Term Debt

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No definition available.

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- Definition

Jointly Owned Affiliate Long Term Debt Annual Interest Requirement

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No definition available.

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- Definition

Period Of Service For Gas Transportation Supplier

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- Definition

Unconditional Guarantee To Pay Outstanding Pollution Control Revenue Bond Principal

+ References

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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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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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Commitments - Operating Leases, Guarantees, and Assets Subject to Lien Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2013	Nov. 30, 2018	Dec. 31, 2017	Oct. 31, 2017	Dec. 31, 2014
Recorded Unconditional Purchase Obligation [Line Items]
Leasing commitment, 2023 and thereafter	$ 1,040
Operating leases, future minimum lease payments due	1,617
Short-term debt	2,915			$ 2,439
Alabama Power
Recorded Unconditional Purchase Obligation [Line Items]
Leasing commitment, 2023 and thereafter	1
Operating leases, future minimum lease payments due	39
Jointly owned affiliate equity	90
Jointly owned affiliate long term debt	125
Jointly owned affiliate long term debt annual interest requirement	$ 4
Ownership percentage, equity method investment	50.00%
Georgia Power
Recorded Unconditional Purchase Obligation [Line Items]
Leasing commitment, 2023 and thereafter	$ 13
Operating leases, future minimum lease payments due	74
Short-term debt	294			150
Maximum guarantee	$ 30
Ownership percentage, equity method investment	50.00%
Southern Company Gas
Recorded Unconditional Purchase Obligation [Line Items]
Leasing commitment, 2023 and thereafter	$ 34
Operating leases, future minimum lease payments due	106
Short-term debt	650			$ 1,518
Southern Electric Generating Company \| Alabama Power
Recorded Unconditional Purchase Obligation [Line Items]
Unconditional guarantee to pay outstanding pollution control revenue bond principal	25
SEGCO \| Alabama Power
Recorded Unconditional Purchase Obligation [Line Items]
Short-term debt	5
Maturity December 1, 2018 \| Southern Electric Generating Company \| Alabama Power
Recorded Unconditional Purchase Obligation [Line Items]
Guarantee of unsecured senior notes	100		$ 100
Plant McIntosh \| Georgia Power
Recorded Unconditional Purchase Obligation [Line Items]
Period of service for gas transportation supplier		15 years
Residual Value, Leased Property \| Alabama Power
Recorded Unconditional Purchase Obligation [Line Items]
Leasing commitment, 2023 and thereafter	12
2024 \| Residual Value, Leased Property \| Georgia Power
Recorded Unconditional Purchase Obligation [Line Items]
Operating leases, future minimum lease payments due	9
Atlantic Coast Pipeline \| Southern Company Gas
Recorded Unconditional Purchase Obligation [Line Items]
Maximum guarantee	$ 72
Ownership percentage, equity method investment						5.00%
Revolving Credit Facility \| Atlantic Coast Pipeline \| Southern Company Gas
Recorded Unconditional Purchase Obligation [Line Items]
Revolving credit facility executed					$ 3,400