Investment in Unconsolidated Affiliates Summarized Income Statement of Equity Method Investment (Tables)

6 Months Ended

Jun. 30, 2014

Summarized Financial Information of Equity Method Investment [Line Items]

Summarized Income Statement Financial Information, Equity Method Investment [Table Text Block]

	Three Months Ended				Six Months Ended
Income Statement	June 30, 2014		June 30, 2013		June 30, 2014		June 30, 2013
	(In millions)
Operating revenues	$	826.7	$	502.0	$	1,828.3	$	502.0
Cost of sales	478.2		294.6		1,110.8		294.6
Operating income	138.6		75.0		300.5		75.0
Net income attributable to Enable	120.2		65.1		269.4		65.1