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Note 9 - Income Taxes (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended
	Mar. 31, 2011	Mar. 31, 2013	Mar. 31, 2012
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate		35.00%	35.00%
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority			$ 123
Recognition Revenue Reductions	61
Deferred Tax Assets, Valuation Allowance			$ 16

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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