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Investments (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of Available-for-sale Securities [Line Items]

Dominion's decommissioning trust funds are summarized below:



	Amortized Cost		Total Unrealized Gains ⁽¹⁾		Total Unrealized Losses ⁽¹⁾				Fair Value
(millions)
At December 31, 2016
Marketable equity securities:
U.S.	$	1,449	$	1,408	$	—			$	2,857
Fixed income:
Corporate debt instruments	478		13		(4		)		487
Government securities	978		22		(8		)		992
Common/collective trust funds	67		—		—				67
Cost method investments	69		—		—				69
Cash equivalents and other⁽²⁾	12		—		—				12
Total	$	3,053	$	1,443	$	(12	)	⁽³⁾	$	4,484
At December 31, 2015
Marketable equity securities:
U.S.	$	1,354	$	1,217	$	—			$	2,571
Fixed income:
Corporate debt instruments	436		11		(7		)		440
Government securities	962		30		(4		)		988
Common/collective trust funds	100		—		—				100
Cost method investments	70		—		—				70
Cash equivalents and other⁽²⁾	14		—		—				14
Total	$	2,936	$	1,258	$	(11	)	⁽³⁾	$	4,183


(1)	Included in AOCI and the nuclear decommissioning trust regulatory liability as discussed in Note 2.


(2)	Includes pending sales of securities of $9 million and $12 million at December 31, 2016 and 2015, respectively.


(3)	The fair value of securities in an unrealized loss position was $576 million and $592 million at December 31, 2016 and 2015, respectively.

Investments Classified by Contractual Maturity Date

The fair value of Dominion's marketable debt securities held in nuclear decommissioning trust funds at December 31, 2016

by contractual maturity is as follows:



	Amount
(millions)
Due in one year or less	$	192
Due after one year through five years	418
Due after five years through ten years	368
Due after ten years	568
Total	$	1,546

Marketable Securities

Presented below is selected information regarding Dominion's marketable equity and debt securities held in nuclear decommissioning trust funds:



Year Ended December 31,	2016		2015		2014
(millions)
Proceeds from sales	$	1,422	$	1,340	$	1,235
Realized gains⁽¹⁾	128		219		171
Realized losses⁽¹⁾	55		84		30


(1)	Includes realized gains and losses recorded to the nuclear decommissioning trust regulatory liability as discussed in Note 2.

Other Than Temporary Impairment Losses On Investment Securities

Dominion recorded other-than-temporary impairment losses on investments held in nuclear decommissioning trust funds as follows:



Year Ended December 31,	2016			2015			2014
(millions)
Total other-than-temporary impairment losses⁽¹⁾	$	51		$	66		$	21
Losses recorded to nuclear decommissioning trust regulatory liability	(16		)	(26		)	(5		)
Losses recognized in other comprehensive income (before taxes)	(12		)	(9		)	(3		)
Net impairment losses recognized in earnings	$	23		$	31		$	13


(1)	Amounts include other-than-temporary impairment losses for debt securities of $13 million, $9 million and $3 million at December 31, 2016, 2015 and 2014, respectively.

Investments Accounts Under Equity Method of Accounting

Investments that Dominion and Dominion Gas account for under the equity method of accounting are as follows:



Company	Ownership%			Investment Balance				Description
As of December 31,				2016		2015
(millions)
Dominion
Blue Racer	50	%		$	677	$	661	Midstream gas and related services
Atlantic Coast Pipeline	48	%		256		59		Gas transmission system
Iroquois	50	%	⁽¹⁾	316		324		Gas transmission system
Fowler Ridge	50	%		116		125		Wind-powered merchant generation facility
NedPower	50	%		112		119		Wind-powered merchant generation facility
Other	various			84		32
Total				$	1,561	$	1,320
Dominion Gas
Iroquois	24.07	%		$	98	$	102	Gas transmission system
Total				$	98	$	102


(1)	Comprised of Dominion Midstream's interest of 25.93% and Dominion Gas' interest of 24.07%. See Note 15 for more information.

Virginia Electric and Power Company

Schedule of Available-for-sale Securities [Line Items]

Available-For-Sale Securities

Virginia Power's decommissioning trust funds are summarized below:



	Amortized Cost		Total Unrealized Gains ⁽¹⁾		Total Unrealized Losses ⁽¹⁾				Fair Value
(millions)
At December 31, 2016
Marketable equity securities:
U.S.	$	677	$	624	$	—			$	1,301
Fixed income:
Corporate debt instruments	274		6		(4		)		276
Government securities	420		9		(2		)		427
Common/collective trust funds	26		—		—				26
Cost method investments	69		—		—				69
Cash equivalents and other⁽²⁾	7		—		—				7
Total	$	1,473	$	639	$	(6	)	⁽³⁾	$	2,106
At December 31, 2015
Marketable equity securities:
U.S.	$	633	$	528	$	—			$	1,161
Fixed income:
Corporate debt instruments	238		5		(5		)		238
Government securities	421		15		(2		)		434
Common/collective trust funds	34		—		—				34
Cost method investments	70		—		—				70
Cash equivalents and other⁽²⁾	8		—		—				8
Total	$	1,404	$	548	$	(7	)	⁽³⁾	$	1,945


(1)	Included in AOCI and the nuclear decommissioning trust regulatory liability as discussed in Note 2.


(2)	Includes pending sales of securities of $7 million and $8 million at December 31, 2016 and 2015, respectively.


(3)	The fair value of securities in an unrealized loss position was $287 million and $281 million at December 31, 2016 and 2015, respectively.

Investments Classified by Contractual Maturity Date

The fair value of Virginia Power's marketable debt securities at December 31, 2016, by contractual maturity is as follows:



	Amount
(millions)
Due in one year or less	$	55
Due after one year through five years	181
Due after five years through ten years	208
Due after ten years	285
Total	$	729

Marketable Securities

Presented below is selected information regarding Virginia Power's marketable equity and debt securities held in nuclear decommissioning trust funds.



Year Ended December 31,	2016		2015		2014
(millions)
Proceeds from sales	$	733	$	639	$	549
Realized gains⁽¹⁾	63		110		73
Realized losses⁽¹⁾	27		43		12


(1)	Includes realized gains and losses recorded to the nuclear decommissioning trust regulatory liability as discussed in Note 2.

Other Than Temporary Impairment Losses On Investment Securities

Virginia Power recorded other-than-temporary impairment losses on investments held in nuclear decommissioning trust funds as follows:



Year Ended December 31,	2016			2015			2014
(millions)
Total other-than-temporary impairment losses⁽¹⁾	$	26		$	36		$	8
Losses recorded to nuclear decommissioning trust regulatory liability	(16		)	(26		)	(4		)
Losses recorded in other comprehensive income (before taxes)	(7		)	(6		)	(2		)
Net impairment losses recognized in earnings	$	3		$	4		$	2


(1)	Amounts include other-than-temporary impairment losses for debt securities of $8 million, $6 million and $2 million at December 31, 2016, 2015 and 2014, respectively.

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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