CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Millions, $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Public Utilities, Property, Plant and Equipment, Net	$ 14,324	$ 13,145
Regulated Entity, Other Assets, Noncurrent	2,402	2,157
Nonutility property, accumulated depreciation	138	124
Receivables, net of allowance for uncollectible accounts	6	5
Assets, Current	$ 1,506	$ 1,378
Common Stock, Shares, Outstanding	142.9	142.9
SCE&G
Public Utilities, Property, Plant and Equipment, Net	$ 12,603	$ 11,589
Regulated Entity, Other Assets, Noncurrent	2,273	1,973
Receivables, net of allowance for uncollectible accounts	3	3
Assets, Current	$ 1,020	$ 1,019
Common Stock, Shares, Outstanding	40.3	40.3
VIEs | SCE&G
Public Utilities, Property, Plant and Equipment, Net	$ 756	$ 700
Regulated Entity, Other Assets, Noncurrent	52	53
Assets, Current	$ 85	$ 88