RATE AND OTHER REGULATORY MATTERS (Tables)

9 Months Ended

Sep. 30, 2017

Regulatory Assets

Pipeline integrity management revenue requirement [Table Text Block]

Application Filed	Rates Effective	Incremental Increase
February 15, 2017	March 1, 2017	$1.9 million
August 16, 2017	September 1, 2017	$0.7 million

Schedule of Regulatory Liabilities [Table Text Block]

Regulatory Liabilities:
Monetization of guaranty settlement	$	1,095	—		$	1,095	—
Asset removal costs	764		$	755	535		$	529
Deferred gains on interest rate derivatives	135		151		135		151
Other	21		24		14		15
Total Regulatory Liabilities	$	2,015	$	930	$	1,779	$	695

SCEG

Regulatory Assets

Schedule of Regulatory Assets [Table Text Block]

	The Company				Consolidated SCE&G
Millions of dollars	September 30, 2017		December 31, 2016		September 30, 2017		December 31, 2016
Regulatory Assets:
Unrecovered nuclear project costs	$	4,520	—		$	4,520	—
Accumulated deferred income taxes	315		$	316	307		$	307
AROs and related funding	424		425		401		403
Deferred employee benefit plan costs	321		342		290		309
Deferred losses on interest rate derivatives	632		620		632		620
Other unrecovered plant	108		117		108		117
DSM Programs	58		59		58		59
Carrying costs on deferred tax assets related to nuclear construction	46		32		46		32
Pipeline integrity management costs	47		33		7		6
Environmental remediation costs	30		32		25		26
Deferred storm damage costs	22		20		22		20
Deferred costs related to uncertain tax position	28		15		28		15
Other	139		119		138		116
Total Regulatory Assets	$	6,690	$	2,130	$	6,582	$	2,030

Schedule of Regulatory Liabilities [Table Text Block]

Regulatory Liabilities:
Monetization of guaranty settlement	$	1,095	—		$	1,095	—
Asset removal costs	764		$	755	535		$	529
Deferred gains on interest rate derivatives	135		151		135		151
Other	21		24		14		15
Total Regulatory Liabilities	$	2,015	$	930	$	1,779	$	695