CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Millions, $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Public Utilities, Property, Plant and Equipment, Net	$ 11,010	$ 10,648
Regulated Entity, Other Assets, Noncurrent	4,616	5,766
Nonutility property, accumulated depreciation	143	133
Receivables, net of allowance for uncollectible accounts	7	6
Assets, Current	$ 1,549	$ 1,851
Common Stock, Shares, Outstanding	143.0	143.0
SCE&G
Public Utilities, Property, Plant and Equipment, Net	$ 8,783	$ 8,620
Regulated Entity, Other Assets, Noncurrent	4,439	5,640
Receivables, net of allowance for uncollectible accounts	4	4
Assets, Current	$ 1,478	$ 1,477
Common Stock, Shares, Outstanding	40.3	40.3
VIEs | SCE&G
Public Utilities, Property, Plant and Equipment, Net	$ 711	$ 711
Regulated Entity, Other Assets, Noncurrent	34	50
Assets, Current	$ 90	$ 191