CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Assets
Utility Plant In Service	$ 14,370	$ 13,444
Accumulated Depreciation and Amortization	(4,611)	(4,446)
Construction Work in Progress	471	4,845
Nuclear Fuel, Net of Accumulated Amortization	208	271
Goodwill, Net of Writedown of $230	210	210
Utility Plant, Net	10,648	14,324
Nonutility Property and Investments:
Nonutility property, net of accumulated depreciation	270	276
Assets held in trust, net-nuclear decommissioning	136	123
Other investments	68	76
Nonutility Property and Investments, Net	474	475
Current Assets:
Cash and cash equivalents	409	208
Receivables, net of allowance for uncollectible accounts	665	616
Income taxes	198	142
Accounts and Other Receivables, Net, Current	105	127
Inventories (at average cost):
Fuel	143	136
Materials and supplies	161	155
Prepaid Expense	99	105
Derivative financial instrument		0
Other Assets, Current	17	17
Total Current Assets	1,851	1,506
Deferred Debits and Other Assets:
Regulatory assets	5,580	2,130
Other	186	272
Regulated Entity, Other Assets, Noncurrent	5,766	2,402
Total	18,739	18,707
Capitalization and Liabilities
Common Stock, Value, Outstanding	2,390	2,390
Retained Earnings, Unappropriated	2,915	3,384
Accumulated Other Comprehensive Income (Loss), Net of Tax	(50)	(49)
Common equity	5,255	5,725
Long-term Debt, Excluding Current Maturities	5,906	6,473
Total Capitalization	11,161	12,198
Current Liabilities:
Short-term borrowings	350	941
Long-term Debt, Current Maturities	727	17
Accounts payable	438	404
Customer deposits and customer prepayments	112	168
Taxes accrued	214	201
Interest accrued	87	84
Dividends declared	86	80
Derivative financial instruments	6	35
Other	93	135
Total Current Liabilities	2,113	2,065
Deferred Credits and Other Liabilities:
Deferred income taxes, net	1,261	2,159
Asset retirement obligations	568	558
Pension and other postretirement benefits	360	373
Unrecognized tax benefits	19	219
Regulatory liabilities	3,059	930
Other	198	205
Total Deferred Credits and Other Liabilities	5,465	4,444
Commitments and Contingencies (Note 10)	0	0
Total	18,739	18,707
SCE&G
Assets
Utility Plant In Service	12,161	11,510
Accumulated Depreciation and Amortization	(4,124)	(3,991)
Construction Work in Progress	375	4,813
Nuclear Fuel, Net of Accumulated Amortization	208	271
Utility Plant, Net	8,620	12,603
Nonutility Property and Investments:
Nonutility property, net of accumulated depreciation	71	69
Assets held in trust, net-nuclear decommissioning	136	123
Other investments	2	3
Nonutility Property and Investments, Net	209	195
Current Assets:
Cash and cash equivalents	395	164
Receivables, net of allowance for uncollectible accounts	390	378
Income taxes	198	53
Due from Affiliate, Current	32	16
Accounts and Other Receivables, Net, Current	85	94
Inventories (at average cost):
Fuel	90	83
Materials and supplies	149	143
Prepayments	82	88
Derivative financial instrument	54	0
Other Assets, Current	2	1
Total Current Assets	1,477	1,020
Deferred Debits and Other Assets:
Regulatory assets	5,476	2,030
Other	164	243
Regulated Entity, Other Assets, Noncurrent	5,640	2,273
Total	15,946	16,091
Capitalization and Liabilities
Common Stock, Value, Outstanding	2,860	2,860
Retained Earnings, Unappropriated	1,982	2,481
Accumulated Other Comprehensive Income (Loss), Net of Tax	(4)	(3)
Common equity	4,838	5,338
Stockholders' Equity Attributable to Noncontrolling Interest	142	134
Total Equity	4,980	5,472
Long-term Debt, Excluding Current Maturities	4,441	5,154
Total Capitalization	9,421	10,626
Current Liabilities:
Short-term borrowings	252	804
Long-term Debt, Current Maturities	723	12
Accounts payable	251	247
Due to Affiliate, Current	102	122
Customer deposits and customer prepayments	70	126
Taxes accrued	208	195
Interest accrued	67	68
Dividends declared	82	79
Derivative financial instruments	2	28
Other	47	55
Total Current Liabilities	1,804	1,736
Deferred Credits and Other Liabilities:
Deferred income taxes, net	1,173	1,939
Asset retirement obligations	529	522
Pension and other postretirement benefits	217	232
Unrecognized tax benefits	19	236
Regulatory liabilities	2,667	695
Other	97	89
Due to Affiliate, Noncurrent	19	16
Total Deferred Credits and Other Liabilities	4,721	3,729
Commitments and Contingencies (Note 10)	0	0
Total	$ 15,946	$ 16,091