Income Taxes (Tables)

3 Months Ended

Mar. 31, 2013

	March 31,		December 31,
(In millions)	2013		2012

Unrecognized tax benefits	$	3,057	$	3,106
Portion that, if recognized, would reduce tax expense and effective tax rate(a)		2,233		2,253
Accrued interest on unrecognized tax benefits		570		559
Accrued penalties on unrecognized tax benefits		96		101
Reasonably possible reduction to the balance of unrecognized
tax benefits in succeeding 12 months		0-500		0-400
Portion that, if recognized, would reduce tax expense and effective tax rate(a)		0-450		0-350

Some portion of such reduction may be reported as discontinued operations.

- Definition

Tabular disclosure of unrecognized tax benefits for which a material change is reasonably possible in the next twelve months, typically including the nature of the uncertainty, the event(s) that could cause a material change, and an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made. An unrecognized tax benefit is the difference between a tax position taken in a tax return and the amounts recognized in the financial statements for which it is more likely than not, based on the technical merits of the position, that the tax position will not be sustained upon examination.

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