CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash Flows From Operating Activities:
Income Available to Common Shareholders of SCANA	$ 151	$ 121
Adjustments to reconcile net income to net cash provided from operating activities:
Deferred income taxes, net	17	50
Depreciation and amortization	97	92
Amortization of nuclear fuel	13	13
Allowance for equity funds used during construction	(4)	(3)
Cash provided (used) by changes in certain assets and liabilities:
Receivables	(22)	65
Inventories	37	(11)
Prepayments and other	21	68
Regulatory liabilities	26	1
Accounts payable	5	(18)
Taxes accrued	(101)	(101)
Interest accrued	(6)	(1)
Regulatory assets	12	41
Changes in other assets	(16)	(43)
Changes in other liabilities	(37)	(89)
Net Cash Provided From Operating Activities	193	185
Cash Flows From Investing Activities:
Property additions and construction expenditures	(291)	(321)
Proceeds from investments (including derivative collateral posted)	100	151
Purchase of investments (including derivative collateral posted)	(84)	(109)
Payments for (Proceeds from) Hedge, Investing Activities	0	13
Payments for interest rate contract settlements	0	(51)
Net Cash Used in Investing Activities	(275)	(317)
Cash Flows From Financing Activities:
Proceeds from Issuance of Common Stock	221	26
Proceeds from issuance of long-term debt	57	494
Repayments of Long-term Debt	(66)	(259)
Dividends	(66)	(63)
Short-term borrowings, net	(93)	(68)
Net Cash Provided From Financing Activities	53	130
Net (Decrease) Increase in Cash and Cash Equivalents	(29)	(2)
Cash and Cash Equivalents, January 1	72	29
Cash and Cash Equivalents, September 30	43	27
Supplemental Cash Flow Information:
Cash paid for-Interest (net of capitalized interest )	77	74
Cash paid for-Income taxes	1	0
Noncash Investing and Financing Activities:
Accrued construction expenditures	88	108
Capital Lease Obligations Incurred	3	0
Noncash or Part Noncash Acquisition, Value of Assets Acquired	97	0
SCEG
Cash Flows From Operating Activities:
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	92	72
Adjustments to reconcile net income to net cash provided from operating activities:
Losses from equity method investments	1	1
Deferred income taxes, net	12	44
Depreciation and amortization	78	73
Amortization of nuclear fuel	13	13
Allowance for equity funds used during construction	(4)	(3)
Cash provided (used) by changes in certain assets and liabilities:
Receivables	(7)	28
Inventories	10	(38)
Prepayments and other	(12)	2
Regulatory liabilities	27	1
Accounts payable	4	15
Taxes accrued	(81)	(80)
Interest accrued	(12)	(3)
Regulatory assets	11	41
Changes in other assets	(21)	(1)
Changes in other liabilities	(21)	(78)
Net Cash Provided From Operating Activities	90	87
Cash Flows From Investing Activities:
Property additions and construction expenditures	(264)	(295)
Proceeds from investments (including derivative collateral posted)	81	52
Purchase of investments (including derivative collateral posted)	(70)	(50)
Payments for (Proceeds from) Hedge, Investing Activities	0	13
Net Cash Used in Investing Activities	(253)	(280)
Cash Flows From Financing Activities:
Proceeds from issuance of long-term debt	57	248
Repayments of Long-term Debt	(66)	(8)
Dividends	(46)	(39)
Contributions from parent	221	24
Short-term borrowings, net	(41)	(44)
Short-term borrowings- affiliate,net	(1)	20
Net Cash Provided From Financing Activities	124	201
Net (Decrease) Increase in Cash and Cash Equivalents	(39)	8
Cash and Cash Equivalents, January 1	51	16
Cash and Cash Equivalents, September 30	12	24
Supplemental Cash Flow Information:
Cash paid for-Interest (net of capitalized interest )	62	51
Noncash Investing and Financing Activities:
Accrued construction expenditures	81	103
Capital Lease Obligations Incurred	1	0
Noncash or Part Noncash Acquisition, Value of Assets Acquired	$ 97	$ 0