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- Definition

Face (par) amount of debt instrument at time of issuance.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

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Debt - Non-Recourse Debt Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended
Debt - Non-Recourse Debt Narrative (Details) $ in Millions	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Debt Instrument [Line Items]
Debt defaults at risk of causing cross default	0		0
Gain (loss) on extinguishment of debt	$ 0	$ (117)	$ 4	$ (141)
Proceeds from Lines of Credit			664	$ 361
Parent Company [Member]
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt			7
Nonrecourse Debt [Member]
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt			1
Issued new debt	1,775		1,775
Repayments of Debt			(1,372)
Nonrecourse Debt [Member] \| Gener Subsidiary [Member]
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt			7
Issued new debt	575		575
Repayments of Debt			(228)
Nonrecourse Debt [Member] \| Los Mina [Member]
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt			0
Issued new debt	118		118
Repayments of Debt			0
Nonrecourse Debt [Member] \| Itabo Opco [Member]
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt			(1)
Issued new debt	100		100
Repayments of Debt			(70)
Nonrecourse Debt [Member] \| Maritza [Member]
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt			0
Issued new debt	18		18
Repayments of Debt			(106)
Nonrecourse Debt [Member] \| Andres [Member]
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt			(2)
Issued new debt	220		220
Repayments of Debt			(180)
Nonrecourse Debt [Member] \| IPALCO Enterprises, Inc. [Member]
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt			0
Issued new debt	573		573
Repayments of Debt			(390)
Nonrecourse Debt [Member] \| Other Subsidiaries [Member]
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt			(3)
Issued new debt	$ 171		171
Repayments of Debt			$ (398)