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Related Parties (Tables)

3 Months Ended

Mar. 31, 2014

The amounts billed for services provided, sales credited and purchases billed for the three months ended March 31 were as follows (in millions):



	IPL				WPL
	2014		2013		2014			2013
Corporate Services billings		$33		$32		$28			$26
Sales credited	2		2		(1		)	3
Purchases billed	99		76		30			14

Net intercompany payables to Corporate Services were as follows (in millions):



	IPL		WPL
	March 31, 2014	December 31, 2013	March 31, 2014	December 31, 2013
Net payables to Corporate Services	$35	$62	$41	$46

The related amounts billed between the parties for the three months ended March 31 were as follows (in millions):

IPL [Member]

The amounts billed for services provided, sales credited and purchases billed for the three months ended March 31 were as follows (in millions):



	IPL				WPL
	2014		2013		2014			2013
Corporate Services billings		$33		$32		$28			$26
Sales credited	2		2		(1		)	3
Purchases billed	99		76		30			14

Net intercompany payables to Corporate Services were as follows (in millions):



	IPL		WPL
	March 31, 2014	December 31, 2013	March 31, 2014	December 31, 2013
Net payables to Corporate Services	$35	$62	$41	$46

WPL [Member]

The amounts billed for services provided, sales credited and purchases billed for the three months ended March 31 were as follows (in millions):



	IPL				WPL
	2014		2013		2014			2013
Corporate Services billings		$33		$32		$28			$26
Sales credited	2		2		(1		)	3
Purchases billed	99		76		30			14

Net intercompany payables to Corporate Services were as follows (in millions):



	IPL		WPL
	March 31, 2014	December 31, 2013	March 31, 2014	December 31, 2013
Net payables to Corporate Services	$35	$62	$41	$46

The related amounts billed between the parties for the three months ended March 31 were as follows (in millions):