Liquidity Considerations Liquidity Considerations (Tables)

6 Months Ended

Jun. 30, 2015

Liquidity Considerations [Abstract]

Liquidity [Table Text Block]

Cash and Available Revolver Capacity
	June 30, 2015
(In millions)	CERP			CES		CGP			Parent
Cash and cash equivalents	$	206		$	99	$	891		$	383
Revolver capacity	270			—		160			—
Revolver capacity drawn or committed to letters of credit	(95		)	—		(60		)	—
Total	$	381		$	99	$	991		$	383

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	$	20	$	131	$	27	$	25	$	25	$	4,500	$	4,728
CGP	27		71		23		27		203		2,085		2,436
Total	$	47	$	202	$	50	$	52	$	228	$	6,585	$	7,164

Schedule of Estimated Interest Payments [Table Text Block]

Future Estimated Interest Payments
(In millions)	2015		2016		2017		2018		2019		Thereafter		Total
CERP	$	195	$	384	$	395	$	405	$	412	$	497	$	2,288
CGP	95		187		190		198		202		330		1,202
Total	$	290	$	571	$	585	$	603	$	614	$	827	$	3,490