CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	$ 7	$ (8)	$ (58)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	11	19	13
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	18	11	(45)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax	7	(4)	(3)
Assets
Utility Plant In Service	12,213	11,865
Accumulated Depreciation and Amortization	(4,011)	(3,811)
Construction Work in Progress	2,724	2,084
Plant to be Retired, Net	177	362
Nuclear Fuel, Net of Accumulated Amortization	310	166
Goodwill, Net of Writedown of $230	230	230
Utility Plant, Net	11,643	10,896
Nonutility Property and Investments:
Nonutility property, net of accumulated depreciation	317	306
Assets held in trust, net-nuclear decommissioning	101	94
Other investments	86	87
Nonutility Property and Investments, Net	504	487
Current Assets:
Cash and cash equivalents	136	72	29
Receivables, net of allowance for uncollectible accounts	802	780
Inventories (at average cost):
Fuel	231	304
Materials and supplies	131	136
Emission allowances	1	1
Prepayments and other	120	223
Deferred income taxes	0	11
Total Current Assets	1,421	1,527
Deferred Debits and Other Assets:
Regulatory assets	1,360.0	1,464.0
Defined Benefit Plan, Amounts Recognized in Balance Sheet	47	0
Other	189	242
Total Deferred Debits and Other Assets	1,596	1,706
Total	15,164	14,616	13,534
Capitalization and Liabilities
Common equity	4,664	4,154	3,889
Long-Term Debt, Net	5,395	4,949
Total Capitalization	10,059	9,103
Current Liabilities:
Short-term borrowings	376	623
Long-term Debt, Current Maturities	54	172
Accounts payable	425	428
Customer deposits and customer prepayments	88	86
Taxes accrued	206	164
Interest accrued	82	82
Dividends declared	69	66
Derivative financial instruments	8	80
Other	134	110
Total Current Liabilities	1,442	1,811
Deferred Credits and Other Liabilities:
Deferred income taxes, net	1,703	1,653
Deferred investment tax credits	32	36
Asset retirement obligations	576	561
Pension and other postretirement benefits	227	387
Regulatory liabilities	966	882
Other	159	183
Total Deferred Credits and Other Liabilities	3,663	3,702
Commitments and Contingencies (Note 9)	0	0
Total	15,164	14,616
Other Comprehensive Income (Loss), Net of Tax	8.0	(3.0)	(2.0)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax	8.0	(3.0)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Net of Tax	1	1	1
Other Comprehensive Income (Loss), Net of Tax	26	8	(47)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	497	428	340
SCE&G
Assets
Utility Plant In Service	10,378	10,096
Accumulated Depreciation and Amortization	(3,499)	(3,322)
Construction Work in Progress	2,682	2,073
Plant to be Retired, Net	177	362
Nuclear Fuel, Net of Accumulated Amortization	310	166
Utility Plant, Net	10,048	9,375
Nonutility Property and Investments:
Nonutility property, net of accumulated depreciation	69	57
Assets held in trust, net-nuclear decommissioning	101	94
Other investments	3	3
Nonutility Property and Investments, Net	173	154
Current Assets:
Cash and cash equivalents	92	51	16
Receivables, net of allowance for uncollectible accounts	486	483
Due from Affiliate, Current	19	2
Inventories (at average cost):
Fuel	131	203
Materials and supplies	120	126
Emission allowances	1	1
Prepayments and other	80	143
Total Current Assets	929	1,009
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent	96.0	0
Deferred Debits and Other Assets:
Regulatory assets	1,303.0	1,377.0
Other	151	189
Total Deferred Debits and Other Assets	1,550	1,566
Total	12,700	12,104	11,037
Capitalization and Liabilities
Common equity	4,372	3,929
Stockholders' Equity Attributable to Noncontrolling Interest	117	114
Long-Term Debt, Net	4,007	3,557
Total Capitalization	8,496	7,600
Current Liabilities:
Short-term borrowings	251	449
Long-term Debt, Current Maturities	48	165
Accounts payable	241	281
Due to Affiliate, Current	117.0	124.0
Customer deposits and customer prepayments	56	51
Taxes accrued	223	151
Interest accrued	64	63
Dividends declared	62	46
Derivative financial instruments	1	66
Other	71	50
Total Current Liabilities	1,134	1,446
Deferred Credits and Other Liabilities:
Deferred income taxes, net	1,509	1,479
Deferred investment tax credits	32	36
Asset retirement obligations	547	535
Pension and other postretirement benefits	173	254
Regulatory liabilities	732	665
Other	77	89
Total Deferred Credits and Other Liabilities	3,070	3,058
Commitments and Contingencies (Note 9)	0	0
Total	12,700	12,104
Total Equity	4,489	4,043	3,773
Other Comprehensive Income (Loss), Net of Tax	1.0	(1.0)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax	1.0	(1.0)	(1.0)
Amortization of deferred employee benefit plan costs reclassified to net income, net of tax	0	0	0
Other Comprehensive Income (Loss), Net of Tax	1	(1)	(1)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 392	$ 351	$ 315