EMPLOYEE BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2016

Pension and Other Postretirement Benefit Plans

Schedule of Net Benefit Costs [Table Text Block]

The Company	Pension Benefits						Other Postretirement Benefits
	2016			2015			2016		2015
Three months ended September 30,
Service cost	$	4.4		$	6.6		$	0.8	$	1.2
Interest cost	9.8			9.6			3.0		2.8
Expected return on assets	(13.8		)	(15.5		)	—		—
Prior service cost amortization	1.0			1.0			0.1		0.1
Amortization of actuarial losses	3.7			3.2			0.2		0.4
Net periodic benefit cost	$	5.1		$	4.9		$	4.1	$	4.5

Nine months ended September 30,
Service cost	$	15.5		$	18.1		$	3.3	$	4.0
Interest cost	29.5			28.7			9.1		8.6
Expected return on assets	(41.9		)	(46.5		)	—		—
Prior service cost amortization	3.0			3.0			0.2		0.3
Amortization of actuarial losses	11.1			10.2			0.4		1.5
Net periodic benefit cost	$	17.2		$	13.5		$	13.0	$	14.4

SCEG

Pension and Other Postretirement Benefit Plans

Schedule of Net Benefit Costs [Table Text Block]

Consolidated SCE&G	Pension Benefits						Other Postretirement Benefits
	2016			2015			2016		2015
Three months ended September 30,
Service cost	$	3.6		$	5.3		$	0.7	$	1.0
Interest cost	8.3			8.1			2.5		2.2
Expected return on assets	(11.7		)	(13.0		)	—		—
Prior service cost amortization	0.8			0.8			0.1		0.1
Amortization of actuarial losses	3.2			2.7			0.1		0.3
Net periodic benefit cost	$	4.2		$	3.9		$	3.4	$	3.6

Nine months ended September 30,
Service cost	$	12.7		$	14.5		$	2.7	$	3.2
Interest cost	25.0			24.1			7.5		6.8
Expected return on assets	(35.5		)	(39.1		)	—		—
Prior service cost amortization	2.5			2.5			0.2		0.2
Amortization of actuarial losses	9.4			8.6			0.3		1.2
Net periodic benefit cost	$	14.1		$	10.6		$	10.7	$	11.4