Income Taxes (Tables)

3 Months Ended

Mar. 31, 2013

Income Taxes And Related Effective Tax Rates

	Three Months Ended March 31,
In millions	2013		2012
Income (loss) before income taxes	$	215	$	21
Provision (benefit) for income taxes	$	51	$	11
Effective tax rate		23.7%		52.4%

Change In Unrecognized Tax Benefit ("UTB") And Related Interest And Penalties To Income Tax

In millions
Unrecognized tax benefit as of December 31, 2012	$	47
The gross amount of the increase/(decrease) in the UTB as a result of tax positions taken:
During a prior year		-
During the current year		4
The amounts of decreases in the UTB related to settlements with taxing authorities		-
The reduction in the UTB as a result of the applicable statute of limitations		-
Unrecognized tax benefit as of March 31, 2013	$	51