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Related Parties (Tables)

3 Months Ended

Mar. 31, 2017

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



	IPL				WPL
	2017		2016		2017		2016
Corporate Services billings		$39		$38		$31		$33
Sales credited	2		1		—		1
Purchases billed	66		96		34		19

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



	IPL		WPL
	March 31, 2017	December 31, 2016	March 31, 2017	December 31, 2016
Net payables to Corporate Services	$103	$104	$65	$72

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

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



	IPL				WPL
	2017		2016		2017		2016
Corporate Services billings		$39		$38		$31		$33
Sales credited	2		1		—		1
Purchases billed	66		96		34		19

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



	IPL		WPL
	March 31, 2017	December 31, 2016	March 31, 2017	December 31, 2016
Net payables to Corporate Services	$103	$104	$65	$72

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



	IPL				WPL
	2017		2016		2017		2016
Corporate Services billings		$39		$38		$31		$33
Sales credited	2		1		—		1
Purchases billed	66		96		34		19

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



	IPL		WPL
	March 31, 2017	December 31, 2016	March 31, 2017	December 31, 2016
Net payables to Corporate Services	$103	$104	$65	$72

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