Asset Impairment Charges, Net Of Tax

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- Definition

Pipeline Infrastructure

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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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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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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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.

+ Details

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CONSOLIDATED ENTITIES AND EQUITY METHOD INVESTMENTS - GAS Equity Method Investments Narrative (Details) $ in Millions	3 Months Ended		12 Months Ended
	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2014 mi
Schedule of Equity Method Investments [Line Items]
Impairment charges			$ 2	$ 0	$ 168
Income taxes (benefit)			267	393	1,798
Southern Company Gas
Schedule of Equity Method Investments [Line Items]
Impairment charges			0	0	115
Income taxes (benefit)			$ 275	$ 173	$ 130
Southern Company Gas \| PennEast Pipeline
Schedule of Equity Method Investments [Line Items]
Ownership percentage, equity method investment			20.00%			20.00%
Pipeline infrastructure (miles) \| mi						118
Impairment charges	$ 2	$ 82	$ 84
Impairment charges, after tax	$ 2	$ 58	67
Income taxes (benefit)			$ 7