QUARTERLY FINANCIAL INFORMATION (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Regulated and Unregulated Operating Revenue	$ 1,103	$ 926	$ 843	$ 1,180	$ 1,157	$ 1,076	$ 1,001	$ 1,173	$ 4,052	$ 4,407	$ 4,227
Operating Income (Loss)	(1,204)	183	103	189	(608)	122	251	320	(729)	85	1,167
Income Available to Common Shareholders	$ (772)	$ 67	$ 8	$ 169	$ (445)	$ 34	$ 121	$ 171	$ (528)	$ (119)	$ 595
Earnings Per Share, Basic and Diluted	$ (5.41)	$ 0.47	$ 0.06	$ 1.18	$ (3.11)	$ 0.24	$ 0.85	$ 1.19	$ (3.70)	$ (0.83)	$ 4.16
SCE&G
Regulated Operating Revenue	$ 689	$ 739	$ 632	$ 702	$ 739	$ 856	$ 756	$ 719	$ 2,762	$ 3,070	$ 2,986
Operating Income (Loss)	(1,271)	212	107	121	(680)	124	247	226	(831)	(83)	1,025
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(852)	104	31	128	(452)	42	126	112	(589)	(172)	526
Net Income (Loss) Attributable to Parent	$ (861)	$ 98	$ 26	$ 124	$ (456)	$ 39	$ 123	$ 109	(613)	$ (185)	$ 513
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest									$ (613)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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+ Details

SCANA CORP 10-K