CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows From Operating Activities:
Income Available to Common Shareholders	$ 193	$ 151
Adjustments to reconcile net income to net cash provided from operating activities:
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions	1	0
Deferred Income Tax Expense (Benefit)	7	17
Depreciation and amortization	99	97
Amortization of nuclear fuel	15	13
Allowance for equity funds used during construction	(7)	(4)
Carrying cost recovery	(2)	0
Cash provided (used) by changes in certain assets and liabilities:
Receivables	(56)	(22)
Inventories	70	37
Prepayments and other	(5)	21
Regulatory liabilities	(94)	26
Accounts payable	29	5
Taxes accrued	(143)	(101)
Interest accrued	(7)	(6)
Increase (Decrease) in Pension and Postretirement Obligations	(2)	0
Regulatory assets	(108)	12
Changes in other assets	28	(16)
Changes in other liabilities	120	(37)
Net Cash Provided From Operating Activities	138	193
Cash Flows From Investing Activities:
Property additions and construction expenditures	(289)	(291)
Proceeds from investments (including derivative collateral posted)	16	100
Purchase of investments (including derivative collateral posted)	(22)	(84)
Net Cash Used in Investing Activities	(295)	(275)
Cash Flows From Financing Activities:
Proceeds from Issuance of Common Stock	22	221
Proceeds from issuance of long-term debt	0	57
Repayments of Long-term Debt	(9)	(66)
Dividends	(66)	(66)
Short-term borrowings, net	184	(93)
Net Cash Provided From Financing Activities	131	53
Net (Decrease) Increase in Cash and Cash Equivalents	(26)	(29)
Cash and Cash Equivalents, January 1	136	72
Cash and Cash Equivalents, March 31	110	43
Supplemental Cash Flow Information:
Cash paid for-Interest (net of capitalized interest )	80	77
Cash paid for-Income taxes	100	1
Noncash Investing and Financing Activities:
Accrued construction expenditures	77	88
Capital Lease Obligations Incurred	1	3
Noncash or Part Noncash Acquisition, Value of Assets Acquired	0	97
Stock Issued During Period, Shares, Dividend Reinvestment Plan	5	0
SCEG
Cash Flows From Operating Activities:
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	126	92
Adjustments to reconcile net income to net cash provided from operating activities:
Income (Loss) from Equity Method Investments	1	1
Deferred Income Tax Expense (Benefit)	5	12
Depreciation and amortization	78	78
Amortization of nuclear fuel	15	13
Allowance for equity funds used during construction	(5)	(4)
Carrying cost recovery	(2)	0
Cash provided (used) by changes in certain assets and liabilities:
Receivables	(23)	(7)
Inventories	19	10
Prepayments and other	7	(12)
Regulatory liabilities	(94)	27
Accounts payable	27	4
Taxes accrued	(127)	(81)
Interest accrued	(11)	(12)
Increase (Decrease) in Pension and Postretirement Obligations	(2)	0
Regulatory assets	(107)	11
Changes in other assets	15	(21)
Changes in other liabilities	121	(21)
Net Cash Provided From Operating Activities	43	90
Cash Flows From Investing Activities:
Property additions and construction expenditures	(260)	(264)
Proceeds from investments (including derivative collateral posted)	4	81
Purchase of investments (including derivative collateral posted)	(9)	(70)
Net Cash Used in Investing Activities	(265)	(253)
Cash Flows From Financing Activities:
Proceeds from issuance of long-term debt	0	57
Repayments of Long-term Debt	(9)	(66)
Dividends	(62)	(46)
Contributions from parent	20	221
Short-term borrowings, net	206	(41)
Short-term borrowings- affiliate,net	7	(1)
Net Cash Provided From Financing Activities	162	124
Net (Decrease) Increase in Cash and Cash Equivalents	(60)	(39)
Cash and Cash Equivalents, January 1	92	51
Cash and Cash Equivalents, March 31	32	12
Supplemental Cash Flow Information:
Cash paid for-Interest (net of capitalized interest )	62	62
Noncash Investing and Financing Activities:
Accrued construction expenditures	67	81
Capital Lease Obligations Incurred	1	1
Noncash or Part Noncash Acquisition, Value of Assets Acquired	$ 0	$ 97