CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash Flows From Operating Activities:
Net Income (Loss) Available to Common Stockholders, Basic	$ 648	$ 433
Adjustments to reconcile net income to net cash provided from operating activities:
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	(355)
Loss from Equity Method Investments, Net of Dividends or Distributions	2	2
Deferred Income Tax Expense (Benefit)	(98)	63
Depreciation and amortization	276	298
Amortization of nuclear fuel	41	31
Allowance for equity funds used during construction	(20)	(26)
Carrying cost recovery	(9)	(7)
Cash provided (used) by changes in certain assets and liabilities:
Receivables	192	111
Inventories	2	(34)
Prepaid Expense	196	(99)
Other Regulatory Assets	92	(171)
Regulatory liabilities	9	(133)
Accounts payable	(85)	(18)
Taxes accrued	2	(69)
Increase (Decrease) in Pension and Postretirement Obligations	(1)	(13)
Increase (Decrease) in Derivative Assets and Liabilities	(108)	105
Changes in other assets	73	25
Changes in other liabilities	(50)	60
Net Cash Provided From Operating Activities	807	558
Cash Flows From Investing Activities:
Property additions and construction expenditures	(851)	(778)
Proceeds from Sale of Property, Plant, and Equipment	647
Proceeds from investments (including derivative collateral posted)	872	204
Purchase of investments (including derivative collateral posted)	(872)	(247)
Payments for Hedge, Investing Activities	(152)	(34)
Proceeds from Hedge, Investing Activities	10	0
Net Cash Used in Investing Activities	(346)	(855)
Cash Flows From Financing Activities:
Proceeds from Issuance of Common Stock	14	75
Proceeds from Issuance of Long-term Debt	491	294
Repayments of Long-term Debt	(164)	(17)
Dividends	(231)	(220)
Short-term borrowings, net	(654)	111
Net Cash Provided From Financing Activities	(544)	243
Net (Decrease) Increase in Cash and Cash Equivalents	(83)	(54)
Cash and Cash Equivalents, January 1	137	136
Cash and Cash Equivalents, September 30	54
Supplemental Cash Flow Information:
Cash paid for-Interest (net of capitalized interest )	224	225
Cash paid for-Income taxes	184	246
Noncash Investing and Financing Activities:
Accrued construction expenditures	85	108
Capital Lease Obligations Incurred	5	4
SCEG
Cash Flows From Operating Activities:
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	405	383
Adjustments to reconcile net income to net cash provided from operating activities:
Loss from Equity Method Investments	3	4
Deferred Income Tax Expense (Benefit)	(14)	76
Depreciation and amortization	221	236
Amortization of nuclear fuel	41	31
Allowance for equity funds used during construction	(18)	(22)
Carrying cost recovery	(9)	(7)
Cash provided (used) by changes in certain assets and liabilities:
Receivables	46	(34)
Inventories	(15)	(36)
Prepaid Expense	63	(24)
Other Regulatory Assets	90	(170)
Regulatory liabilities	6	(130)
Accounts payable	(21)	11
Taxes accrued	109	(70)
Increase (Decrease) in Pension and Postretirement Obligations	(2)	(12)
Increase (Decrease) in Derivative Assets and Liabilities	(100)	103
Changes in other assets	58	27
Changes in other liabilities	(61)	58
Net Cash Provided From Operating Activities	802	424
Cash Flows From Investing Activities:
Property additions and construction expenditures	(748)	(678)
Proceeds from investments (including derivative collateral posted)	768	163
Purchase of investments (including derivative collateral posted)	(776)	(202)
Payments for Hedge, Investing Activities	(152)	(34)
Proceeds from Hedge, Investing Activities	10
Investment In Affiliate	80
Net Cash Used in Investing Activities	(818)	(751)
Cash Flows From Financing Activities:
Proceeds from Issuance of Long-term Debt	491	294
Repayments of Long-term Debt	(10)	(12)
Dividends	(214)	(190)
Contributions from parent	200	85
Return of Capital to Parent	(4)	(3)
Short-term borrowings-affiliate,net	(42)	(7)
Short-term borrowings, net	(475)	110
Net Cash Provided From Financing Activities	(54)	277
Net (Decrease) Increase in Cash and Cash Equivalents	(70)	(50)
Cash and Cash Equivalents, January 1	100	92
Cash and Cash Equivalents, September 30	30	42
Supplemental Cash Flow Information:
Cash paid for-Interest (net of capitalized interest )	169	162
Income Taxes Paid	89
Cash paid for-Income taxes		143
Proceeds from Income Tax Refunds	(84)
Noncash Investing and Financing Activities:
Accrued construction expenditures	76	94
Capital Lease Obligations Incurred	$ 5	$ 4