Income Taxes (Tables)

6 Months Ended

Jun. 30, 2015

Income Taxes [Abstract]

Net Operating Loss Carryforwards and Tax Credit Carryforwards

Table 109: Net Operating Loss Carryforwards and Tax Credit Carryforwards
		June 30			December 31
In millions		2015			2014
Net Operating Loss Carryforwards:
	Federal		$	947	$	997
	State		$	2,486	$	2,594
Tax Credit Carryforwards:
	Federal		$	35	$	35
	State		$	7	$	7