INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2012

Investments, Owned, Federal Income Tax Note [Line Items]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

Millions of dollars	2012			2011			2010
Current taxes:
Federal	$	103		$	52		$	(47	)
State	10			10			1
Total current taxes	113			62			(46		)
Deferred taxes, net:
Federal	72			122			223
State	14			12			13
Total deferred taxes	86			134			236
Investment tax credits:
Amortization of amounts deferred-state	(14		)	(25		)	(28		)
Amortization of amounts deferred-federal	(3		)	(3		)	(3		)
Total investment tax credits	(17		)	(28		)	(31		)
Total income tax expense	$	182		$	168		$	159

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

:

Millions of dollars	2012			2011			2010
Net income	$	420		$	387		$	376
Income tax expense	182			168			159
Total pre-tax income	$	602		$	555		$	535
Income taxes on above at statutory federal income tax rate	$	211		$	194		$	187
Increases (decreases) attributed to:
State income taxes (less federal income tax effect)	19			15			9
State investment tax credits (less federal income tax effect)	(13		)	(16		)	(18		)
Allowance for equity funds used during construction	(8		)	(5		)	(8		)
Deductible dividends—Stock Purchase Savings Plan	(9		)	(9		)	(9		)
Amortization of federal investment tax credits	(3		)	(3		)	(3		)
Section 45 tax credits	(5		)	(2		)	(2		)
Domestic production activities deduction	(9		)	(6		)	—
Other differences, net	(1		)	—			3
Total income tax expense	$	182		$	168		$	159

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

:

Millions of dollars	2012		2011
Deferred tax assets:
Nondeductible accruals	$	143	$	115
Asset retirement obligation, including nuclear decommissioning	214		181
Financial instruments	43		50
Unamortized investment tax credits	22		29
Unbilled revenue	14		19
Monetization of bankruptcy claim	12		13
Other	15		21
Total deferred tax assets	463		428
Deferred tax liabilities:
Property, plant and equipment	1,718		1,589
Deferred employee benefit plan	148		128
Regulatory asset-asset retirement obligation	113		106
Deferred fuel costs	48		47
Other	78		65
Total deferred tax liabilities	2,105		1,935
Net deferred tax liability	$	1,642	$	1,507

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

Millions of dollars	2012			2011
Unrecognized tax benefits, January 1	$	38		$	36
Gross increases—uncertain tax positions in prior period	—			5
Gross decreases—uncertain tax positions in prior period	(38		)	(8		)
Gross increases—current period uncertain tax positions	—			5
Settlements	—			—
Lapse of statute of limitations	—			—
Unrecognized tax benefits, December 31	$	—		$	38

SCE&G

Investments, Owned, Federal Income Tax Note [Line Items]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

Total income tax expense attributable to income for 2012, 2011 and 2010 is as follows:

Millions of dollars	2012			2011			2010
Current taxes:
Federal	$	91		$	52		$	(56	)
State	8			12			(5		)
Total current taxes	99			64			(61		)
Deferred taxes, net:
Federal	62			98			207
State	12			6			15
Total deferred taxes	74			104			222
Investment tax credits:
Amortization of amounts deferred—state	(13		)	(25		)	(28		)
Amortization of amounts deferred—federal	(3		)	(3		)	(3		)
Total investment tax credits	(16		)	(28		)	(31		)
Total income tax expense	$	157		$	140		$	130

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The difference between actual income tax expense and the amount calculated from the application of the statutory 35% federal income tax rate to pre-tax income is reconciled as follows:

Millions of dollars	2012			2011			2010
Net income	$	341		$	306		$	290
Income tax expense	157			140			130
Noncontrolling interest	11			10			14
Total pre-tax income	$	509		$	456		$	434
Income taxes on above at statutory federal income tax rate	$	178		$	159		$	152
Increases (decreases) attributed to:
State income taxes (less federal income tax effect)	17			12			6
State investment tax credits (less federal income tax effect)	(13		)	(16		)	(18		)
Allowance for equity funds used during construction	(7		)	(5		)	(8		)
Amortization of federal investment tax credits	(3		)	(3		)	(3		)
Section 45 tax credits	(5		)	(2		)	(2		)
Domestic production activities deduction	(9		)	(6		)	—
Other differences, net	(1		)	1			3
Total income tax expense	$	157		$	140		$	130

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The tax effects of significant temporary differences comprising Consolidated SCE&G’s net deferred tax liability at December 31, 2012 and 2011 are as follows:

Millions of dollars	2012		2011
Deferred tax assets:
Nondeductible accruals	$	73	$	55
Asset retirement obligation, including nuclear decommissioning	204		171
Unamortized investment tax credits	21		29
Unbilled revenue	14		19
Other	13		18
Total deferred tax assets	$	325	$	292
Deferred tax liabilities:
Property, plant and equipment	$	1,461	$	1,348
Regulatory asset-asset retirement obligation	107		100
Deferred employee benefit plan costs	127		110
Deferred fuel costs	49		48
Other	60		49
Total deferred tax liabilities	1,804		1,655
Net deferred tax liability	$	1,479	$	1,363

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

2009.

Changes to Unrecognized Tax Benefits

Millions of dollars	2012			2011
Unrecognized tax benefits, January 1	$	38		$	36
Gross increases-uncertain tax positions in prior period	—			5
Gross decreases-uncertain tax positions in prior period	(38		)	(8		)
Gross increases-current period uncertain tax positions	—			5
Settlements	—			—
Lapse of statute of limitations	—			—
Unrecognized tax benefits, December 31	$	—		$	38