Dispositions (Tables)

6 Months Ended

Jun. 30, 2015

Disposal groups [Abstract]

Schedule of Disposal Group, Held for Sale [Table Text Block]

Millions of dollars	CGT		SCI		Total
Assets Held for Sale
Utility Plant, Net	$	288.4	—		$	288.4
Nonutility Property and Investments, Net	0.6		$	40.1	40.7
Current Assets	6.5		3.9		10.4
Deferred Debits and Other Assets	0.9		0.2		1.1
Total Assets Held for Sale	$	296.4	$	44.2	$	340.6
Liabilities Held for Sale
Current Liabilities	$	3.5	$	2.2	$	5.7
Deferred Credits and Other Liabilities	42.9		3.1		46.0
Total Liabilities Held for Sale	$	46.4	$	5.3	$	51.7