Liquidity Considerations Liquidity Considerations (Tables)

9 Months Ended

Sep. 30, 2015

Liquidity Considerations [Abstract]

Liquidity [Table Text Block]

Cash and Available Revolver Capacity
	September 30, 2015
(In millions)	CERP			CES		CGP			Parent
Cash and cash equivalents	$	218		$	141	$	901		$	349
Revolver capacity	270			—		160			—
Revolver capacity drawn or committed to letters of credit	(81		)	—		(45		)	—
Total	$	407		$	141	$	1,016		$	349

Schedule of Maturities of Long-term Debt [Table Text Block]

Future Maturities of Long-Term Debt
(In millions)	2015		2016		2017		2018		2019		Thereafter		Total
CERP	$	11	$	117	$	26	$	25	$	25	$	4,500	$	4,704
CGP	51		24		21		26		203		2,086		2,411
Total	$	62	$	141	$	47	$	51	$	228	$	6,586	$	7,115

Other Commitments [Table Text Block]

Future Estimated Interest Payments
(In millions)	2015		2016		2017		2018		2019		Thereafter		Total
CERP	$	149	$	384	$	383	$	391	$	396	$	485	$	2,188
CGP	63		185		184		188		192		318		1,130
Total	$	212	$	569	$	567	$	579	$	588	$	803	$	3,318