Income Taxes (Tables)

3 Months Ended

Mar. 31, 2015

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

		Three Months Ended March 31,
In millions		2015		2014
Income (loss) before income taxes	$	113	$	404
Provision (benefit) for income taxes	$	44	$	148
Effective tax rate		38.9%		36.6%