Assets And Liabilities Held for Sale (Tables)

3 Months Ended

Mar. 31, 2015

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Assets And Liabilities Held For Sale on Balance Sheets

Alliant Energy’s and IPL’s balance sheets included assets held for sale recorded in “Other current assets” and liabilities held for sale recorded in “Other current liabilities” as follows (in millions):

	March 31, 2015		December 31, 2014
Assets held for sale:
Current assets		$2.3		$1.1
Property, plant and equipment, net	11.0		11.0
Other assets	6.4		7.0
Total assets held for sale	19.7		19.1
Liabilities held for sale:
Current liabilities	0.2		1.0
Other liabilities	6.8		7.1
Total liabilities held for sale	7.0		8.1
Net assets held for sale		$12.7		$11.0

IPL [Member]

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Assets And Liabilities Held For Sale on Balance Sheets

Alliant Energy’s and IPL’s balance sheets included assets held for sale recorded in “Other current assets” and liabilities held for sale recorded in “Other current liabilities” as follows (in millions):

	March 31, 2015		December 31, 2014
Assets held for sale:
Current assets		$2.3		$1.1
Property, plant and equipment, net	11.0		11.0
Other assets	6.4		7.0
Total assets held for sale	19.7		19.1
Liabilities held for sale:
Current liabilities	0.2		1.0
Other liabilities	6.8		7.1
Total liabilities held for sale	7.0		8.1
Net assets held for sale		$12.7		$11.0