Represents compensation cost capitalized during the period arising from the deferred compensation arrangement.

No definition available.

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- Definition

Represents the percentage of performance award granted in the form of performance shares.

+ References

No definition available.

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- Definition

Represents the percentage of performance award granted in the form of restricted stock units.

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No definition available.

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- Definition

Represents the weight of the entity's performance against pre-determined measures of TSR as compared to a peer group of utilities to determine the payout performance shares.

+ References

No definition available.

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- Definition

Represents the weight of growth in GAAP-adjusted net earnings from operations to determine the payout of performance shares.

+ References

No definition available.

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- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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-SubTopic 10
-Section 30
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363

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- Definition

Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
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-Paragraph 7
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- References

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- Definition

Aggregate cash paid by the entity during the period to settle equity instruments granted under equity-based payment arrangements.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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SHARE-BASED COMPENSATION Liability Awards (Details) - USD ($)		3 Months Ended	12 Months Ended
	Feb. 28, 2019	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Liability Awards
Cash-Settled Liabilities		$ 19,600,000	$ 9,100,000	$ 6,700,000	$ 5.5	$ 28.0	$ 18.4
Compensation Expenses Recognized Resulting From Fair Value Adjustments of Performance Awards					$ (1.7)	(9.0)	25.6
Capitalized Compensation Expense						(1.3)	3.3
Performance Shares [Member]
Liability Awards
Weight of Entity's Performance Against Pre-Determined Measures of Total Stockholder Return As Compared to Peer Groups of Utilities to Determine Payout of Performance Shares as a Percentage					50.00%
Weight of Growth in GAAP-adjusted net earnings per share from operations to determine payout of performance shares as a percent					50.00%
SCE&G
Liability Awards
Cash-Settled Liabilities					$ 3.5	20.2	13.2
Compensation Expenses Recognized Resulting From Fair Value Adjustments of Performance Awards					$ (0.9)	(6.3)	17.3
Capitalized Compensation Expense						$ (0.9)	$ 3.1
SCE&G \| Restricted Stock Units
Liability Awards
Performance Cycle (in years)				3 years
Percentage of Performance Award Granted in Form of Restricted Stock Units (as a percent)					30.00%
SCE&G \| Performance Shares [Member]
Liability Awards
Percentage of Performance Award Granted in Form of Performance Shares (as a percent)					70.00%
Weight of Entity's Performance Against Pre-Determined Measures of Total Stockholder Return As Compared to Peer Groups of Utilities to Determine Payout of Performance Shares as a Percentage					50.00%
Weight of Growth in GAAP-adjusted net earnings per share from operations to determine payout of performance shares as a percent					50.00%
Subsequent Event [Member] \| Restricted Stock Units
Liability Awards
Percentage of Performance Award Granted in Form of Restricted Stock Units (as a percent)	30.00%
Subsequent Event [Member] \| Performance Shares [Member]
Liability Awards
Percentage of Performance Award Granted in Form of Performance Shares (as a percent)	70.00%
Subsequent Event [Member] \| SCE&G \| Restricted Stock Units
Liability Awards
Percentage of Performance Award Granted in Form of Restricted Stock Units (as a percent)	30.00%
Subsequent Event [Member] \| SCE&G \| Performance Shares [Member]
Liability Awards
Percentage of Performance Award Granted in Form of Performance Shares (as a percent)	70.00%