v3.10.0.1

EMPLOYEE BENEFIT PLANS EMPLOYEE BENEFIT PLANS (Details 4) $ in Millions	Dec. 31, 2018 USD ($)
Pension Plan, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	$ 71.5
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	62.4
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	65.6
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	69.6
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	66.6
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	284.9
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	13.6
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	14.3
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	14.9
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	15.4
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	15.8
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	82.3
SCE&G | Pension Plan, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	71.5
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	62.4
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	65.6
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	69.6
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	66.6
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	284.9
SCE&G | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	10.8
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	11.4
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	11.8
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	12.2
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	12.6
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	$ 65.4

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Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
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Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.

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