CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Assets
Utility Plant In Service	$ 13,543	$ 13,444
Accumulated Depreciation and Amortization	(4,494)	(4,446)
Construction Work in Progress	5,011	4,845
Nuclear Fuel, Net of Accumulated Amortization	265	271
Goodwill, Net of Writedown of $230	210	210
Utility Plant, Net	14,535	14,324
Nonutility Property and Investments:
Nonutility property, net of accumulated depreciation	275	276
Assets held in trust, net-nuclear decommissioning	126	123
Other investments	77	76
Nonutility Property and Investments, Net	478	475
Current Assets:
Cash and cash equivalents	12	208
Receivables, net of allowance for uncollectible accounts	549	616
Other	94	127
Income Taxes receivable	6	142
Inventories (at average cost):
Fuel	114	136
Materials and supplies	153	155
Prepaid Expense	103	105
Other current assets	16	17
Total Current Assets	1,047	1,506
Deferred Debits and Other Assets:
Regulatory Assets, Noncurrent	2,128	2,130
Other	270	272
Total Deferred Debits and Other Assets	2,398	2,402
Total	18,458	18,707
Capitalization and Liabilities
Common Stock, Value, Outstanding	2,389	2,390
Retained Earnings, Unappropriated	3,468	3,384
Accumulated Other Comprehensive Income (Loss), Net of Tax	(51)	(49)
Stockholders' Equity Attributable to Parent	5,806	5,725
Long-term Debt, Excluding Current Maturities	6,466	6,473
Total Capitalization	12,272	12,198
Current Liabilities:
Short-term borrowings	869	941
Current portion of long-term debt	17	17
Accounts payable	269	404
Customer deposits and customer prepayments	158	168
Taxes accrued	59	201
Interest accrued	92	84
Dividends declared	85	80
Derivative financial instruments	27	35
Other	85	135
Total Current Liabilities	1,661	2,065
Deferred Credits and Other Liabilities:
Deferred Income Tax Liabilities, Net	2,184	2,159
Asset retirement obligations	562	558
Pension and other postretirement benefits	375	373
Unrecognized Tax Benefits	274	219
Regulatory Liabilities	938	930
Other	192	205
Total Deferred Credits and Other Liabilities	4,525	4,444
Commitments and Contingencies
Total	18,458	18,707
SCEG
Assets
Utility Plant In Service	11,588	11,510
Accumulated Depreciation and Amortization	(4,032)	(3,991)
Construction Work in Progress	4,950	4,813
Nuclear Fuel, Net of Accumulated Amortization	265	271
Utility Plant, Net	12,771	12,603
Nonutility Property and Investments:
Nonutility property, net of accumulated depreciation	69	69
Assets held in trust, net-nuclear decommissioning	126	123
Other investments	3	3
Nonutility Property and Investments, Net	198	195
Current Assets:
Cash and cash equivalents	11	164
Receivables, net of allowance for uncollectible accounts	328	378
Other	66	94
Income Taxes receivable	0	53
Due from Affiliate, Current	14	16
Inventories (at average cost):
Fuel	78	83
Materials and supplies	143	143
Prepaid Expense	88	88
Other current assets	2	1
Total Current Assets	730	1,020
Deferred Debits and Other Assets:
Regulatory Assets, Noncurrent	2,026	2,030
Other	240	243
Total Deferred Debits and Other Assets	2,266	2,273
Total	15,965	16,091
Capitalization and Liabilities
Common Stock, Value, Outstanding	2,860	2,860
Retained Earnings, Unappropriated	2,513	2,481
Accumulated Other Comprehensive Income (Loss), Net of Tax	(3)	(3)
Stockholders' Equity Attributable to Parent	5,370	5,338
Stockholders' Equity Attributable to Noncontrolling Interest	135	134
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	5,505	5,472
Long-term Debt, Excluding Current Maturities	5,147	5,154
Total Capitalization	10,652	10,626
Current Liabilities:
Short-term borrowings	770	804
Current portion of long-term debt	12	12
Accounts payable	152	247
Due to Affiliate, Current	100	122
Customer deposits and customer prepayments	114	126
Taxes accrued	102	195
Interest accrued	72	68
Dividends declared	79	79
Derivative financial instruments	23	28
Other	37	55
Total Current Liabilities	1,461	1,736
Deferred Credits and Other Liabilities:
Deferred Income Tax Liabilities, Net	1,951	1,939
Asset retirement obligations	526	522
Pension and other postretirement benefits	234	232
Unrecognized Tax Benefits	333	236
Regulatory Liabilities	705	695
Other	88	89
Other -affiliate	15	16
Total Deferred Credits and Other Liabilities	3,852	3,729
Total	$ 15,965	$ 16,091