Fair Value (Tables)

6 Months Ended

Jun. 30, 2016

Jun. 30, 2015

Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]

Marketable Securities [Table Text Block]

The table below presents gross proceeds from the sale of available for sale securities during the periods indicated (in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Gross proceeds from sale of AFS securities	$	785	$	1,170	$	2,404	$	2,180

Fair value hierarchy for recurring measurements table

The following table presents, by level within the fair value hierarchy, the Company’s financial assets and liabilities that were measured at fair value on a recurring basis as of the periods indicated (in millions). For the Company’s investments in marketable debt and equity securities, the security classes presented are determined based on the nature and risk of the security and are consistent with how the Company manages, monitors and measures its marketable securities:

	June 30, 2016								December 31, 2015
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets
AVAILABLE FOR SALE:
Debt securities:
Unsecured debentures	$	—	$	299	$	—	$	299	$	—	$	318	$	—	$	318
Certificates of deposit	—		213		—		213		—		129		—		129
Government debt securities	—		9		—		9		—		28		—		28
Subtotal	—		521		—		521		—		475		—		475
Equity securities:
Mutual funds	—		24		—		24		—		15		—		15
Subtotal	—		24		—		24		—		15		—		15
Total available for sale	—		545		—		545		—		490		—		490
TRADING:
Equity securities:
Mutual funds	16		—		—		16		15		—		—		15
Total trading	16		—		—		16		15		—		—		15
DERIVATIVES:
Cross-currency derivatives	—		1		—		1		—		—		—		—
Foreign currency derivatives	—		46		271		317		—		35		292		327
Commodity derivatives	—		53		13		66		—		41		7		48
Total derivatives	—		100		284		384		—		76		299		375
TOTAL ASSETS	$	16	$	645	$	284	$	945	$	15	$	566	$	299	$	880
Liabilities
DERIVATIVES:
Interest rate derivatives	$	—	$	104	$	421	$	525	$	—	$	54	$	304	$	358
Cross-currency derivatives	—		39		—		39		—		43		—		43
Foreign currency derivatives	—		66		—		66		—		41		15		56
Commodity derivatives	—		56		2		58		—		29		4		33
Total derivatives	—		265		423		688		—		167		323		490
TOTAL LIABILITIES	$	—	$	265	$	423	$	688	$	—	$	167	$	323	$	490

Fair Value, Net Derivative Assets (Liabilities) measured on a recurring basis, Unobservable Input Reconciliation Table

The following tables present a reconciliation of net derivative assets and liabilities by type measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three and six months ended June 30, 2016 and 2015 (in millions). Transfers between Level 3 and Level 2 are determined as of the end of the reporting period and principally result from changes in the significance of unobservable inputs used to calculate the credit valuation adjustment.

Three Months Ended June 30, 2016	Interest Rate			Foreign Currency			Commodity			Total
Balance at the beginning of the period	$	(416	)	$	290		$	—		$	(126	)
Total realized and unrealized gains (losses):
Included in earnings	—			(31		)	2			(29		)
Included in other comprehensive income — derivative activity	(80		)	—			—			(80		)
Included in other comprehensive income — foreign currency translation activity	1			(4		)	—			(3		)
Included in regulatory (assets) liabilities	—			—			11			11
Settlements	21			(3		)	(2		)	16
Transfers of liabilities into Level 3	(17		)	—			—			(17		)
Transfers of liabilities out of Level 3	70			19			—			89
Balance at the end of the period	$	(421	)	$	271		$	11		$	(139	)
Total gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets and liabilities held at the end of the period	$	1		$	(28	)	$	2		$	(25	)

Three Months Ended June 30, 2015	Interest Rate			Foreign Currency			Commodity			Cross Currency			Total
Balance at the beginning of the period	$	(302	)	$	223		$	4		$	(33	)	$	(108	)
Total realized and unrealized gains (losses):
Included in earnings	—			7			—			—			7
Included in other comprehensive income — derivative activity	57			—			—			—			57
Included in other comprehensive income — foreign currency translation activity	(4		)	(6		)	—			—			(10		)
Included in regulatory liabilities	—			—			8			—			8
Settlements	5			(2		)	5			1			9
Transfers of liabilities out of Level 3	53			—			—			32			85
Balance at the end of the period	$	(191	)	$	222		$	17		$	—		$	48
Total gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets and liabilities held at the end of the period	$	—		$	5		$	(1	)	$	—		$	4

Six Months Ended June 30, 2016	Interest Rate			Foreign Currency			Commodity			Total
Balance at the beginning of the period	$	(304	)	$	277		$	3		$	(24	)
Total realized and unrealized gains (losses):
Included in earnings	2			16			2			20
Included in other comprehensive income — derivative activity	(174		)	5			—			(169		)
Included in other comprehensive income — foreign currency translation activity	(1		)	(38		)	—			(39		)
Included in regulatory liabilities	—			—			11			11
Settlements	37			(5		)	(5		)	27
Transfers of liabilities into Level 3	(51		)	—			—			(51		)
Transfers of liabilities out of Level 3	70			16			—			86
Balance at the end of the period	$	(421	)	$	271		$	11		$	(139	)
Total gains for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets and liabilities held at the end of the period	$	5		$	17		$	2		$	24

Six Months Ended June 30, 2015	Interest Rate			Foreign Currency			Commodity		Total
Balance at the beginning of the period	$	(210	)	$	209		$	6	$	5
Total realized and unrealized gains (losses):
Included in earnings	—			30			2		32
Included in other comprehensive income — derivative activity	3			—			—		3
Included in other comprehensive income — foreign currency translation activity	7			(13		)	—		(6		)
Included in regulatory liabilities	—			—			8		8
Settlements	9			(4		)	1		6
Balance at the end of the period	$	(191	)	$	222		$	17	$	48
Total gains for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets and liabilities held at the end of the period	$	—		$	26		$	2	$	28

Derivative Assets, Significant unobservable inputs

The following table summarizes the significant unobservable inputs used in the Level 3 measurement on a nonrecurring basis during the six months ended June 30, 2016 (in millions, except range amounts):

	Fair Value		Valuation Technique	Unobservable Input	Range (Weighted Average)
Long-lived assets held and used:
DPL	$	89	Discounted cash flow	Annual revenue growth	-11% to 13% (1%)
				Annual pretax operating margin	-50% to 60% (5%)
				Weighted-average cost of capital	7% to 12%
Buffalo Gap II	$	92	Discounted cash flow	Annual revenue growth	-17% to 21% (20%)
				Annual pretax operating margin	-166% to 48% (18%)
				Weighted-average cost of capital	9	%

The table below summarizes the significant unobservable inputs used for Level 3 derivative assets (liabilities) as of June 30, 2016 (in millions, except range amounts):

Type of Derivative	Fair Value			Unobservable Input	Amount or Range (Weighted Avg)
Interest rate	$	(421	)	Subsidiaries’ credit spreads	2.9% to 11.2% (4.4%)
Foreign currency:
Argentine Peso	271			Argentine Peso to USD currency exchange rate after one year	18.6 to 35.2 (26.8)
Other	11
Total	$	(139	)

Fair value hierarchy for nonrecurring measurements table

The following table summarizes our major categories of assets and liabilities measured at fair value on a nonrecurring basis and their level within the fair value hierarchy (in millions):

Six Months Ended June 30, 2016	Measurement Date	Carrying Amount (1)		Fair Value						Pretax Loss
Assets				Level 1		Level 2		Level 3
Long-lived assets held and used: (2)
DPL	06/30/2016	$	324	$	—	$	—	$	89	$	235
Buffalo Gap II	03/31/2016	251		—		—		92		159
Discontinued operations and held-for-sale businesses: (3)
Sul	06/30/2016	1,581		—		470		—		783

Six Months Ended June 30, 2015	Measurement Date	Carrying Amount(1)		Fair Value						Pretax Loss
Assets				Level 1		Level 2		Level 3
Long-lived assets held and used: (2)
UK Wind	06/30/2015	$	38	$	—	$	1	$	—	$	37
Other	Various	29		—		21		—		8
Equity method investments:
Solar Spain	02/09/2015	29		—		—		29		—

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⁽¹⁾  Represents the carrying values at the dates of measurement, before fair value adjustment.

⁽²⁾  See Note 13—Asset Impairment Expense for further information.

Financial instruments not measured at fair value in the condensed consolidated balance sheets

The next table presents (in millions) the carrying amount, fair value and fair value hierarchy of the Company’s financial assets and liabilities that are not measured at fair value in the Condensed Consolidated Balance Sheets as of June 30, 2016 and December 31, 2015, but for which fair value is disclosed:

		June 30, 2016
		Carrying Amount		Fair Value
				Total		Level 1		Level 2		Level 3
Assets:	Accounts receivable — noncurrent (1)	$	224	$	316	$	—	$	—	$	316
Liabilities:	Non-recourse debt	15,871		16,216		—		14,761		1,455
	Recourse debt	4,909		5,176		—		5,176		—

		December 31, 2015
		Carrying Amount		Fair Value
				Total		Level 1		Level 2		Level 3
Assets:	Accounts receivable — noncurrent (1)	$	238	$	310	$	—	$	20	$	290
Liabilities:	Non-recourse debt	15,115		15,592		—		13,325		2,267
	Recourse debt	4,966		4,696		—		4,696		—

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⁽¹⁾  These amounts principally relate to amounts due from CAMMESA, and are included in Noncurrent assets—Other in the accompanying Condensed Consolidated Balance Sheets. The fair value and carrying amount of these receivables exclude VAT of $24 million and $27 million as of June 30, 2016 and December 31, 2015, respectively.