CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Assets
Utility Plant In Service	$ 15,012	$ 14,370
Accumulated Depreciation and Amortization	(5,059)	(4,611)
Construction Work in Progress	537	471
Nuclear Fuel, Net of Accumulated Amortization	182	208
Goodwill, Net of Writedown of $230	210	210
Utility Plant, Net	10,882	10,648
Nonutility Property and Investments:
Nonutility property, net of accumulated depreciation	269	270
Assets held in trust, net-nuclear decommissioning	139	136
Other investments	135	68
Nonutility Property and Investments, Net	543	474
Current Assets:
Cash and cash equivalents	462	409
Receivables, net of allowance for uncollectible accounts	474	665
Other	75	105
Income Taxes receivable	0	198
Inventories (at average cost):
Fuel	123	143
Materials and supplies	166	161
Prepaid Expense	108	99
Other current assets	12	17
Total Current Assets	1,420	1,851
Deferred Debits and Other Assets:
Regulatory Assets, Noncurrent	5,739	5,580
Other	232	186
Other affiliate		0
Total Deferred Debits and Other Assets	5,971	5,766
Total	18,816	18,739
Capitalization and Liabilities
Common Stock, Value, Outstanding	2,389	2,390
Retained Earnings, Unappropriated	3,036	2,915
Accumulated Other Comprehensive Income (Loss), Net of Tax	(34)	(50)
Stockholders' Equity Attributable to Parent	5,391	5,255
Long-term Debt, Excluding Current Maturities	6,735	5,906
Total Capitalization	12,126	11,161
Current Liabilities:
Short-term borrowings	314	350
Current portion of long-term debt	18	727
Accounts payable	263	438
Customer deposits and customer prepayments	146	112
Customer Refund Liability, Current	61
Taxes accrued	179	214
Interest accrued	90	87
Dividends declared	18	86
Derivative financial instruments	3	6
Other	72	93
Total Current Liabilities	1,164	2,113
Deferred Credits and Other Liabilities:
Deferred Income Tax Liabilities, Net	1,355	1,261
Asset retirement obligations	579	568
Pension and other postretirement benefits	347	360
Unrecognized Tax Benefits	19	19
Regulatory Liabilities	3,040	3,059
Other	186	198
Total Deferred Credits and Other Liabilities	5,526	5,465
Commitments and Contingencies
Total	18,816	18,739
Derivative financial instruments	0	54
SCEG
Assets
Utility Plant In Service	12,716	12,161
Accumulated Depreciation and Amortization	(4,541)	(4,124)
Construction Work in Progress	333	375
Nuclear Fuel, Net of Accumulated Amortization	182	208
Utility Plant, Net	8,690	8,620
Nonutility Property and Investments:
Nonutility property, net of accumulated depreciation	73	71
Assets held in trust, net-nuclear decommissioning	139	136
Other investments	1	2
Nonutility Property and Investments, Net	213	209
Current Assets:
Cash and cash equivalents	439	395
Receivables, net of allowance for uncollectible accounts	357	390
Other	54	85
Income Taxes receivable	0	198
Due from Affiliate, Current	186	32
Inventories (at average cost):
Fuel	64	90
Materials and supplies	155	149
Prepaid Expense	95	82
Derivative Asset, Current	0	54
Other current assets	2	2
Total Current Assets	1,352	1,477
Deferred Debits and Other Assets:
Regulatory Assets, Noncurrent	5,623	5,476
Other	180	164
Other affiliate	71
Total Deferred Debits and Other Assets	5,874	5,640
Total	16,129	15,946
Capitalization and Liabilities
Common Stock, Value, Outstanding	2,860	2,860
Retained Earnings, Unappropriated	2,146	1,982
Accumulated Other Comprehensive Income (Loss), Net of Tax	(3)	(4)
Stockholders' Equity Attributable to Parent	5,003	4,838
Stockholders' Equity Attributable to Noncontrolling Interest	169	142
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	5,172	4,980
Long-term Debt, Excluding Current Maturities	5,132	4,441
Total Capitalization	10,304	9,421
Current Liabilities:
Short-term borrowings	173	252
Current portion of long-term debt	14	723
Accounts payable	136	251
Due to Affiliate, Current	259	102
Customer deposits and customer prepayments	117	70
Customer Refund Liability, Current	61
Taxes accrued	169	208
Interest accrued	64	67
Dividends declared	9	82
Derivative financial instruments	1	2
Other	34	47
Total Current Liabilities	1,037	1,804
Deferred Credits and Other Liabilities:
Deferred Income Tax Liabilities, Net	1,266	1,173
Asset retirement obligations	539	529
Pension and other postretirement benefits	207	217
Unrecognized Tax Benefits	19	19
Regulatory Liabilities	2,635	2,667
Other	104	97
Other -affiliate	18	19
Total Deferred Credits and Other Liabilities	4,788	4,721
Total	$ 16,129	$ 15,946