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Related Parties (Tables)

12 Months Ended

Dec. 31, 2013

The amounts billed for services provided to IPL and WPL were as follows (in millions):



	IPL						WPL
	2013		2012		2011		2013		2012		2011
Corporate Services billings		$140		$129		$153		$103		$102		$119

The sales credited to and purchases billed to IPL and WPL were as follows (in millions):

As of December 31, net intercompany payables to Corporate Services were as follows (in millions):

The related amounts billed between the parties were as follows (in millions):

IPL [Member]

The amounts billed for services provided to IPL and WPL were as follows (in millions):



	IPL						WPL
	2013		2012		2011		2013		2012		2011
Corporate Services billings		$140		$129		$153		$103		$102		$119

The sales credited to and purchases billed to IPL and WPL were as follows (in millions):

As of December 31, net intercompany payables to Corporate Services were as follows (in millions):

WPL [Member]

The amounts billed for services provided to IPL and WPL were as follows (in millions):



	IPL						WPL
	2013		2012		2011		2013		2012		2011
Corporate Services billings		$140		$129		$153		$103		$102		$119

The sales credited to and purchases billed to IPL and WPL were as follows (in millions):

As of December 31, net intercompany payables to Corporate Services were as follows (in millions):

The related amounts billed between the parties were as follows (in millions):