Income Taxes (Tables)

3 Months Ended

Mar. 31, 2014

Text Block [Abstract]

Income (loss) from operations before provision (benefit) for income taxes

		Three Months Ended March 31,
In millions		2014		2013
Income (loss) before income taxes	$	404	$	215
Provision (benefit) for income taxes	$	148	$	51
Effective tax rate		36.6%		23.7%

Change in unrecognized tax benefit

In millions
Unrecognized tax benefit as of December 31, 2013		$	65
The gross amount of the increase/(decrease) in the UTB as a result of tax positions taken:
	During a prior year		0
	During the current year		0
The amounts of decreases in the UTB related to settlements with taxing authorities			0
The reduction in the UTB as a result of the applicable statute of limitations			0
Unrecognized tax benefit as of March 31, 2014		$	65