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Note 12 - Income Taxes (Tables)
9 Months Ended
Sep. 30, 2012
Income Taxes [Abstract]  
Changes in unrecognized tax benefits
The following table reflects changes in unrecognized tax benefits for the nine-month period ended September 30, 2012:
 
 
(In millions)
Gross amounts of unrecognized tax benefits as of January 1, 2012
$
286

Increases related to prior period tax positions
44

Decreases related to prior period tax positions
(8
)
Increases related to current period tax positions
12

Settlements
(1
)
Gross amounts of unrecognized tax benefits as of September 30, 2012
$
333