Income Taxes (Tables)

6 Months Ended

Jun. 30, 2012

Income Taxes And Related Effective Tax Rates

	Three Months Ended June 30,				Six Months Ended June 30,
In millions	2012		2011		2012		2011
Income (loss) before income taxes	$	795	$	(147)	$	816	$	(1,910)
Provision (benefit) for income taxes	$	214	$	(284)	$	225	$	(772)
Effective tax rate		26.9%		193.2%		27.6%		40.4%

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

In millions
Unrecognized tax benefit as of December 31, 2011	$	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		18
The amounts of decreases in the UTB related to settlements with taxing authorities		(25)
The reduction in the UTB as a result of the applicable statute of limitations		-
Unrecognized tax benefit as of June 30, 2012	$	40