Income Taxes (Tables)

9 Months Ended

Sep. 30, 2013

Income Tax Disclosure [Abstract]

Unrecognized tax benefits

	September 30,		December 31,
(In millions)	2013		2012
Unrecognized tax benefits	$	3,465	$	3,106
Portion that, if recognized, would reduce tax expense and effective tax rate(a)		2,585		2,253
Accrued interest on unrecognized tax benefits		594		559
Accrued penalties on unrecognized tax benefits		93		101
Reasonably possible reduction to the balance of unrecognized
tax benefits in succeeding 12 months		0-1,050		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.