CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Flows From Operating Activities:
Income Available to Common Shareholders of SCANA	$ 237	$ 193
Adjustments to reconcile net income to net cash provided from operating activities:
Deferred income taxes, net	39	65
Depreciation and amortization	194	183
Amortization of nuclear fuel	27	26
Allowance for equity funds used during construction	(10)	(7)
Cash provided (used) by changes in certain assets and liabilities:
Receivables	101	77
Inventories	2	(25)
Prepayments and other	(16)	17
Regulatory liabilities	56	28
Accounts payable	(15)	(32)
Taxes accrued	(63)	(47)
Interest accrued	0	4
Regulatory assets	9	20
Changes in other assets	(45)	(13)
Changes in other liabilities	(23)	(50)
Net Cash Provided From Operating Activities	493	439
Cash Flows From Investing Activities:
Property additions and construction expenditures	(526)	(591)
Proceeds from investments (including derivative collateral posted)	175	237
Purchase of investments (including derivative collateral posted)	(135)	(211)
Proceeds from Hedge, Investing Activities	43	13
Payments for interest rate contract settlements	(49)	(51)
Net Cash Used in Investing Activities	(492)	(603)
Cash Flows From Financing Activities:
Proceeds from Issuance of Common Stock	247	50
Proceeds from issuance of long-term debt	451	494
Repayments of Long-term Debt	(223)	(270)
Dividends	(137)	(128)
Short-term borrowings, net	(319)	17
Net Cash Provided From Financing Activities	19	163
Net (Decrease) Increase in Cash and Cash Equivalents	20	(1)
Cash and Cash Equivalents, January 1	72	29
Cash and Cash Equivalents, June 30	92	28
Supplemental Cash Flow Information:
Cash paid for-Interest (net of capitalized interest )	144	141
Cash paid for-Income taxes	43	3
Noncash Investing and Financing Activities:
Accrued construction expenditures	90	61
Capital Lease Obligations Incurred	5	2
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	180	149
Adjustments to reconcile net income to net cash provided from operating activities:
Losses from equity method investments	1	2
Deferred income taxes, net	26	56
Depreciation and amortization	156	147
Amortization of nuclear fuel	27	26
Allowance for equity funds used during construction	(9)	(7)
Cash provided (used) by changes in certain assets and liabilities:
Receivables	(12)	3
Inventories	(4)	(50)
Prepayments and other	(45)	(74)
Regulatory liabilities	58	29
Accounts payable	(4)	(5)
Taxes accrued	(38)	(11)
Interest accrued	1	5
Regulatory assets	9	20
Changes in other assets	(31)	24
Changes in other liabilities	(12)	(45)
Net Cash Provided From Operating Activities	303	269
Cash Flows From Investing Activities:
Property additions and construction expenditures	(478)	(544)
Proceeds from investments (including derivative collateral posted)	132	98
Purchase of investments (including derivative collateral posted)	(104)	(121)
Proceeds from Hedge, Investing Activities	43	13
Payments for interest rate contract settlements	(49)	0
Net Cash Used in Investing Activities	(456)	(554)
Cash Flows From Financing Activities:
Proceeds from issuance of long-term debt	451	248
Repayments of Long-term Debt	(218)	(10)
Dividends	(110)	(92)
Contributions from parent	255	51
Short-term borrowings, net	(211)	74
Short-term borrowings- affiliate,net	(15)	12
Net Cash Provided From Financing Activities	152	283
Net (Decrease) Increase in Cash and Cash Equivalents	(1)	(2)
Cash and Cash Equivalents, January 1	51	16
Cash and Cash Equivalents, June 30	50	14
Supplemental Cash Flow Information:
Cash paid for-Interest (net of capitalized interest )	99	92
Cash paid for-Income taxes	24	0
Noncash Investing and Financing Activities:
Accrued construction expenditures	85	51
Capital Lease Obligations Incurred	3	2
Noncash or Part Noncash Acquisition, Value of Assets Acquired	$ 97	$ 0