Related Parties (Tables)

6 Months Ended

Jun. 30, 2014

Services Provided, Sales Credited And Purchases Billed

The amounts billed for services provided, sales credited and purchases billed for the three and six months ended June 30 were as follows (in millions):



	IPL								WPL
	Three Months				Six Months				Three Months				Six Months
	2014		2013		2014		2013		2014		2013		2014		2013
Corporate Services billings		$41		$36		$74		$68		$31		$23		$59		$49
Sales credited	2		1		4		3		3		4		2		7
Purchases billed	108		76		207		152		28		14		58		28

Net Intercompany Payables

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



	IPL		WPL
	June 30, 2014	December 31, 2013	June 30, 2014	December 31, 2013
Net payables to Corporate Services	$84	$62	$43	$46

Related Amounts Billed Between Parties

The related amounts billed between the parties for the three and six months ended June 30 were as follows (in millions):



	Three Months				Six Months
	2014		2013		2014		2013
ATC billings to WPL		$24		$24		$48		$48
WPL billings to ATC	1		4		4		7

IPL [Member]

Services Provided, Sales Credited And Purchases Billed

The amounts billed for services provided, sales credited and purchases billed for the three and six months ended June 30 were as follows (in millions):



	IPL								WPL
	Three Months				Six Months				Three Months				Six Months
	2014		2013		2014		2013		2014		2013		2014		2013
Corporate Services billings		$41		$36		$74		$68		$31		$23		$59		$49
Sales credited	2		1		4		3		3		4		2		7
Purchases billed	108		76		207		152		28		14		58		28

Net Intercompany Payables

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



	IPL		WPL
	June 30, 2014	December 31, 2013	June 30, 2014	December 31, 2013
Net payables to Corporate Services	$84	$62	$43	$46

WPL [Member]

Services Provided, Sales Credited And Purchases Billed

The amounts billed for services provided, sales credited and purchases billed for the three and six months ended June 30 were as follows (in millions):



	IPL								WPL
	Three Months				Six Months				Three Months				Six Months
	2014		2013		2014		2013		2014		2013		2014		2013
Corporate Services billings		$41		$36		$74		$68		$31		$23		$59		$49
Sales credited	2		1		4		3		3		4		2		7
Purchases billed	108		76		207		152		28		14		58		28

Net Intercompany Payables

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



	IPL		WPL
	June 30, 2014	December 31, 2013	June 30, 2014	December 31, 2013
Net payables to Corporate Services	$84	$62	$43	$46

Related Amounts Billed Between Parties

The related amounts billed between the parties for the three and six months ended June 30 were as follows (in millions):



	Three Months				Six Months
	2014		2013		2014		2013
ATC billings to WPL		$24		$24		$48		$48
WPL billings to ATC	1		4		4		7