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.

+ References

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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
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-Publisher FASB
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-Section 30
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
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No definition available.

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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SHARE-BASED COMPENSATION Liability Awards (Details) - USD ($)		12 Months Ended
	Feb. 29, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Liability Awards
Cash-Settled Liabilities		$ 20.8	$ 11.8	$ 12.2
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized		$ 20.4
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		18 months
Compensation Expenses Recognized Resulting From Fair Value Adjustments of Performance Awards		$ 18.0	20.3	8.7
Capitalized Compensation Expense		$ 2.3	3.1	1.4
Restricted Stock Units
Liability Awards
Percentage of Performance Award Granted in Form of Restricted Stock Units (as a percent)		20.00%
Performance Shares [Member]
Liability Awards
Percentage of Performance Award Granted in Form of Performance Shares (as a percent)		80.00%
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%
SCE&G
Liability Awards
Cash-Settled Liabilities		$ 6.3	1.9	3.2
Compensation Expenses Recognized Resulting From Fair Value Adjustments of Performance Awards		12.2	12.6	5.5
Capitalized Compensation Expense		$ 0.6	$ 0.6	$ 0.5
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)		20.00%
SCE&G \| Performance Shares [Member]
Liability Awards
Percentage of Performance Award Granted in Form of Performance Shares (as a percent)		80.00%
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]
Liability Awards
Cash-Settled Liabilities	$ 18.4
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
Liability Awards
Cash-Settled Liabilities	$ 3.7
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%