CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Adjustments to reconcile net income to net cash provided from operating activities:
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions	$ 2	$ 0
Deferred Income Tax Expense (Benefit)	49	39
Depreciation and amortization	198	194
Amortization of nuclear fuel	20	27
Allowance for equity funds used during construction	(14)	(10)
Carrying cost recovery	(4)	0
Cash provided (used) by changes in certain assets and liabilities:
Receivables	96	101
Inventories	17	2
Prepayments and other	(107)	(16)
Regulatory liabilities	(131)	56
Accounts payable	(4)	(15)
Taxes accrued	(110)	(63)
Interest accrued	2	0
Increase (Decrease) in Pension and Postretirement Obligations	(1)	0
Regulatory assets	(166)	9
Changes in other assets	21	(45)
Changes in other liabilities	144	(23)
Net Cash Provided From Operating Activities	301	493
Cash Flows From Investing Activities:
Property additions and construction expenditures	(517)	(526)
Proceeds from investments (including derivative collateral posted)	101	175
Purchase of investments (including derivative collateral posted)	(120)	(135)
Payments for (Proceeds from) Hedge, Financing Activities	0
Payments for Interest Rate Contract Hedge Investing Activities	(34)	(49)
Payments for (Proceeds from) Hedge, Investing Activities		43
Net Cash Used in Investing Activities	(570)	(492)
Cash Flows From Financing Activities:
Proceeds from Issuance of Common Stock	51	247
Proceeds from issuance of long-term debt	294	451
Repayments of Long-term Debt	(16)	(223)
Dividends	(145)	(137)
Short-term borrowings, net	21	(319)
Net Cash Provided From Financing Activities	205	19
Net (Decrease) Increase in Cash and Cash Equivalents	(64)	20
Cash and Cash Equivalents, January 1	136	72
Cash and Cash Equivalents, March 31	72	92
Supplemental Cash Flow Information:
Cash paid for-Interest (net of capitalized interest )	148	144
Cash paid for-Income taxes	193	43
Noncash Investing and Financing Activities:
Accrued construction expenditures	110	90
Capital Lease Obligations Incurred	2	5
Noncash or Part Noncash Acquisition, Value of Assets Acquired	0	97
SCEG
Cash Flows From Operating Activities:
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	225	180
Adjustments to reconcile net income to net cash provided from operating activities:
Income (Loss) from Equity Method Investments	3	1
Deferred Income Tax Expense (Benefit)	29	26
Depreciation and amortization	157	156
Amortization of nuclear fuel	20	27
Allowance for equity funds used during construction	(13)	(9)
Carrying cost recovery	(4)	0
Cash provided (used) by changes in certain assets and liabilities:
Receivables	(22)	(12)
Inventories	(2)	(4)
Prepayments and other	(24)	(45)
Regulatory liabilities	(129)	58
Accounts payable	20	(4)
Taxes accrued	(136)	(38)
Interest accrued	1	1
Increase (Decrease) in Pension and Postretirement Obligations	(3)	0
Regulatory assets	(164)	9
Changes in other assets	7	(31)
Changes in other liabilities	163	(12)
Net Cash Provided From Operating Activities	128	303
Cash Flows From Investing Activities:
Property additions and construction expenditures	(452)	(478)
Proceeds from investments (including derivative collateral posted)	75	132
Purchase of investments (including derivative collateral posted)	(94)	(104)
Payments for Interest Rate Contract Hedge Investing Activities	(34)	(49)
Payments for (Proceeds from) Hedge, Investing Activities	0	43
Net Cash Used in Investing Activities	(505)	(456)
Cash Flows From Financing Activities:
Proceeds from issuance of long-term debt	294	451
Repayments of Long-term Debt	(11)	(218)
Dividends	(126)	(110)
Contributions from parent	55	255
Short-term borrowings, net	65	(211)
Short-term borrowings- affiliate,net	51	(15)
Net Cash Provided From Financing Activities	328	152
Net (Decrease) Increase in Cash and Cash Equivalents	(49)	(1)
Cash and Cash Equivalents, January 1	92	51
Cash and Cash Equivalents, March 31	43	50
Supplemental Cash Flow Information:
Cash paid for-Interest (net of capitalized interest )	102	99
Cash paid for-Income taxes	127	24
Noncash Investing and Financing Activities:
Accrued construction expenditures	101	85
Capital Lease Obligations Incurred	2	3
Noncash or Part Noncash Acquisition, Value of Assets Acquired	$ 0	$ 97