Debt and Credit Agreements (Tables)

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Schedule of Short-term Debt

Commercial Paper Borrowings	March 31, 2016		December 31, 2015
Generation	$	1,378	$	—
ComEd	643		294
BGE	150		210
PHI Corporate	442		484
Pepco	—		64
DPL	75		105
ACE	—		5

Schedule Of Issuance Of Long Term Debt

During the three months endedMarch 31, 2016, the following long-term debt was issued:

Company	Type	Interest Rate	Maturity	Amount		Use of Proceeds
Generation	Albany Green Energy Project Financing	LIBOR + 1.25%	November 17, 2017	$	32	Albany Green Energy biomass generation development
Generation	Renewable Power Generation Nonrecourse Debt	4.11%	March 31, 2035	$	150	Paydown long term debt obligations at Sacramento PV Energy and Constellation Solar Horizons and for general corporate purposes.

Retirement and Redemptions of Current and Long-Term Debt

During the three months endedMarch 31, 2016, the following long-term debt was retired and/or redeemed: 

Company	Type	Interest Rate	Maturity	Amount
Generation	AVSR DOE Nonrecourse Debt	2.29 - 3.56%	January 5, 2037	$	5
Generation	Continental Wind Nonrecourse Debt	6.00%	February 28, 2033	$	15
Generation	CEU Upstream Nonrecourse Debt	LIBOR + 2.75%	January 14, 2019	$	7
Generation	ExGen Texas Power Nonrecourse Debt	5.00%	September 18, 2021	$	2
Generation	Sacramento PV Energy Nonrecourse Debt	2.58%	December 31, 2030	$	33
Generation	Constellation Solar Horizons Nonrecourse Debt	2.56%	September 7, 2030	$	32
Generation	Kennett Square Capital Lease	7.83%	September 20, 2020	$	1
ACE	ACE Funding Transition Bonds	5.55%	October 20, 2023	$	8
ACE	ACE Funding Transition Bonds	5.05%	October 20, 2020	$	3