OTHER INCOME (EXPENSE), NET Other Income (Expense) (Tables)

9 Months Ended

Sep. 30, 2018

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

	The Company												Consolidated SCE&G
	Three Months Ended						Nine Months Ended						Three Months Ended						Nine Months Ended
	September 30,						September 30,						September 30,						September 30,
Millions of dollars	2018			2017			2018			2017			2018			2017			2018			2017
Revenues from contracts with customers	$	4		—			$	14		—			$	1		—			$	4		—
Other income	8			$	28		144			$	61		5			$	21		135			$	36
Other expense	(14		)	(9		)	(34		)	(33		)	(10		)	(7		)	(22		)	(23		)
Allowance for equity funds used during construction	5			—			12			17			3			(3		)	7			13
Other income (expense), net	$	3		$	19		$	136		$	45		$	(1	)	$	11		$	124		$	26

SCEG

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

	The Company												Consolidated SCE&G
	Three Months Ended						Nine Months Ended						Three Months Ended						Nine Months Ended
	September 30,						September 30,						September 30,						September 30,
Millions of dollars	2018			2017			2018			2017			2018			2017			2018			2017
Revenues from contracts with customers	$	4		—			$	14		—			$	1		—			$	4		—
Other income	8			$	28		144			$	61		5			$	21		135			$	36
Other expense	(14		)	(9		)	(34		)	(33		)	(10		)	(7		)	(22		)	(23		)
Allowance for equity funds used during construction	5			—			12			17			3			(3		)	7			13
Other income (expense), net	$	3		$	19		$	136		$	45		$	(1	)	$	11		$	124		$	26