v3.10.0.1

INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2018

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

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

:

		The Company												Consolidated SCE&G
Millions of dollars		2018				2017				2016				2018				2017				2016
Current taxes (benefit):
Federal		$	(8	)		$	(414	)		$	36			$	(16	)		$	(410	)		$	50
State		5				18				13				—				(18		)		13
Total current taxes (benefit)		(3		)		(396		)		49				(16		)		(428		)		63
Deferred tax (benefit) expense, net:
Federal		(352		)		323				203				(346		)		261				167
State		(55		)		(37		)		21				(52		)		(2		)		20
Total deferred taxes (benefit)		(407		)		286				224				(398		)		259				187
Investment tax credits:
Amortization of amounts deferred-federal		(2		)		(2		)		(2		)		(2		)		(2		)		(2		)
Total income tax expense (benefit)		$	(412	)		$	(112	)		$	271			$	(416	)		$	(171	)		$	248

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

:

		The Company												Consolidated SCE&G
Millions of dollars		2018				2017				2016				2018				2017				2016
U.S. statutory rate		21		%		35		%		35		%		21		%		35		%		35		%
Net income (loss)		$	(528	)		$	(119	)		$	595			$	(614	)		$	(185	)		$	513
Income tax expense (benefit)		(412		)		(112		)		271				(416		)		(171		)		248
Noncontrolling interest		—				—				—				25				13				13
Total pre-tax income (loss)		$	(940	)		$	(231	)		$	866			$	(1,005	)		$	(343	)		$	774
Income taxes (benefit) on above at statutory federal income tax rate		$	(197	)		$	(81	)		$	303			$	(211	)		$	(120	)		$	271
Increases (decreases) attributed to:
State income taxes (less federal income tax effect)		(37		)		(7		)		27				(38		)		(8		)		26
State investment tax credits (less federal income tax effect)		(3		)		(5		)		(5		)		(3		)		(5		)		(5		)
Allowance for equity funds used during construction		(4		)		(8		)		(10		)		(2		)		(5		)		(9		)
Deductible dividends—401(k) Retirement Savings Plan		(2		)		(9		)		(10		)		—				—				—
Amortization of federal investment tax credits		(2		)		(2		)		(2		)		(2		)		(2		)		(2		)
Section 45 tax credits		(9		)		(8		)		(8		)		(9		)		(8		)		(8		)
Domestic production activities deduction		—				(18		)		(23		)		—				(18		)		(23		)
Remeasurement of deferred taxes in connection with enactment of Tax Act		(188		)		30				—				(176		)		(1		)		—
Nuclear Project impairment		23				—				—				23				—				—
Nondeductible merger-related costs		5				—				—				—				—				—
Other differences, net		2				(4		)		(1		)		2				(4		)		(2		)
Total income tax expense (benefit)		$	(412	)		$	(112	)		$	271			$	(416	)		$	(171	)		$	248

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

:

		The Company								Consolidated SCE&G
Millions of dollars		2018				2017				2018				2017
Deferred tax assets:
Net operating loss and tax credit carryforward		$	539			$	600			$	493			$	541
Toshiba settlement		274				273				274				273
Nondeductible accruals		84				88				40				42
Asset retirement obligation, including nuclear decommissioning		143				141				135				132
Regulatory liability, non-property accumulated deferred income tax		—				54				—				54
Financial instruments		10				15				—				—
Unamortized investment tax credits		7				8				7				8
Other		4				6				5				5
Total deferred tax assets		1,061				1,185				954				1,055
Deferred tax liabilities:
Property, plant and equipment		1,227				1,220				1,033				1,035
Regulatory asset, unrecovered nuclear plant costs		668				962				668				962
Deferred employee benefit plan costs		60				60				53				53
Regulatory asset, asset retirement obligation		94				91				88				85
Regulatory asset, other unrecovered plant		24				27				24				27
Demand side management costs		16				16				16				16
Prepayments		21				21				20				19
Other		63				49				41				31
Total deferred tax liabilities		2,173				2,446				1,943				2,228
Net deferred tax liabilities		$	1,112			$	1,261			$	989			$	1,173

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

		The Company												Consolidated SCE&G
Millions of dollars		2018				2017				2016				2018				2017				2016
Unrecognized tax benefits, January 1		$	98			$	350			$	49			$	98			$	350			$	49
Gross increases—uncertain tax positions in prior period		8				—				94				8				—				94
Gross decreases—uncertain tax positions in prior period		—				(273		)		—				—				(273		)		—
Gross increases—current period uncertain tax positions		—				21				207				—				21				207
Unrecognized tax benefits, December 31		$	106			$	98			$	350			$	106			$	98			$	350

Summary of Tax Credit Carryforwards [Table Text Block]

The federal and state tax credits and NOL carryforwards are presented below:

		December 31, 2018
Millions of dollars		The Company				Consolidated SCE&G				Expiration Year
Federal NOL Carryforwards		$	1,807			$	1,642			2037
Federal Tax Credits		83				83				2035	-	2038
State NOL Carryforwards		2,447				2,198				2037
State Tax Credits		30				30				2026	-	2033
Total Tax Credits and NOL Carryforwards		$	4,367			$	3,953

SCE&G

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

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

:

		The Company												Consolidated SCE&G
Millions of dollars		2018				2017				2016				2018				2017				2016
Current taxes (benefit):
Federal		$	(8	)		$	(414	)		$	36			$	(16	)		$	(410	)		$	50
State		5				18				13				—				(18		)		13
Total current taxes (benefit)		(3		)		(396		)		49				(16		)		(428		)		63
Deferred tax (benefit) expense, net:
Federal		(352		)		323				203				(346		)		261				167
State		(55		)		(37		)		21				(52		)		(2		)		20
Total deferred taxes (benefit)		(407		)		286				224				(398		)		259				187
Investment tax credits:
Amortization of amounts deferred-federal		(2		)		(2		)		(2		)		(2		)		(2		)		(2		)
Total income tax expense (benefit)		$	(412	)		$	(112	)		$	271			$	(416	)		$	(171	)		$	248

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

		The Company												Consolidated SCE&G
Millions of dollars		2018				2017				2016				2018				2017				2016
U.S. statutory rate		21		%		35		%		35		%		21		%		35		%		35		%
Net income (loss)		$	(528	)		$	(119	)		$	595			$	(614	)		$	(185	)		$	513
Income tax expense (benefit)		(412		)		(112		)		271				(416		)		(171		)		248
Noncontrolling interest		—				—				—				25				13				13
Total pre-tax income (loss)		$	(940	)		$	(231	)		$	866			$	(1,005	)		$	(343	)		$	774
Income taxes (benefit) on above at statutory federal income tax rate		$	(197	)		$	(81	)		$	303			$	(211	)		$	(120	)		$	271
Increases (decreases) attributed to:
State income taxes (less federal income tax effect)		(37		)		(7		)		27				(38		)		(8		)		26
State investment tax credits (less federal income tax effect)		(3		)		(5		)		(5		)		(3		)		(5		)		(5		)
Allowance for equity funds used during construction		(4		)		(8		)		(10		)		(2		)		(5		)		(9		)
Deductible dividends—401(k) Retirement Savings Plan		(2		)		(9		)		(10		)		—				—				—
Amortization of federal investment tax credits		(2		)		(2		)		(2		)		(2		)		(2		)		(2		)
Section 45 tax credits		(9		)		(8		)		(8		)		(9		)		(8		)		(8		)
Domestic production activities deduction		—				(18		)		(23		)		—				(18		)		(23		)
Remeasurement of deferred taxes in connection with enactment of Tax Act		(188		)		30				—				(176		)		(1		)		—
Nuclear Project impairment		23				—				—				23				—				—
Nondeductible merger-related costs		5				—				—				—				—				—
Other differences, net		2				(4		)		(1		)		2				(4		)		(2		)
Total income tax expense (benefit)		$	(412	)		$	(112	)		$	271			$	(416	)		$	(171	)		$	248

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

		The Company								Consolidated SCE&G
Millions of dollars		2018				2017				2018				2017
Deferred tax assets:
Net operating loss and tax credit carryforward		$	539			$	600			$	493			$	541
Toshiba settlement		274				273				274				273
Nondeductible accruals		84				88				40				42
Asset retirement obligation, including nuclear decommissioning		143				141				135				132
Regulatory liability, non-property accumulated deferred income tax		—				54				—				54
Financial instruments		10				15				—				—
Unamortized investment tax credits		7				8				7				8
Other		4				6				5				5
Total deferred tax assets		1,061				1,185				954				1,055
Deferred tax liabilities:
Property, plant and equipment		1,227				1,220				1,033				1,035
Regulatory asset, unrecovered nuclear plant costs		668				962				668				962
Deferred employee benefit plan costs		60				60				53				53
Regulatory asset, asset retirement obligation		94				91				88				85
Regulatory asset, other unrecovered plant		24				27				24				27
Demand side management costs		16				16				16				16
Prepayments		21				21				20				19
Other		63				49				41				31
Total deferred tax liabilities		2,173				2,446				1,943				2,228
Net deferred tax liabilities		$	1,112			$	1,261			$	989			$	1,173

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

		The Company												Consolidated SCE&G
Millions of dollars		2018				2017				2016				2018				2017				2016
Unrecognized tax benefits, January 1		$	98			$	350			$	49			$	98			$	350			$	49
Gross increases—uncertain tax positions in prior period		8				—				94				8				—				94
Gross decreases—uncertain tax positions in prior period		—				(273		)		—				—				(273		)		—
Gross increases—current period uncertain tax positions		—				21				207				—				21				207
Unrecognized tax benefits, December 31		$	106			$	98			$	350			$	106			$	98			$	350

Summary of Tax Credit Carryforwards [Table Text Block]

The federal and state tax credits and NOL carryforwards are presented below:

		December 31, 2018
Millions of dollars		The Company				Consolidated SCE&G				Expiration Year
Federal NOL Carryforwards		$	1,807			$	1,642			2037
Federal Tax Credits		83				83				2035	-	2038
State NOL Carryforwards		2,447				2,198				2037
State Tax Credits		30				30				2026	-	2033
Total Tax Credits and NOL Carryforwards		$	4,367			$	3,953

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