Note 19 - Share-based Compensation (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 19 - Share-based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)	78
Stock Compensation Plans Number of Years Taken to Calculate Forfeiture Rate	15 years
Share-based Compensation	$ 54	$ 70	$ 86
Maximum Term for Non-Qualified and Incentive Stock Options	10 years
In Money Options	14
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)	$ 5.02	$ 4.95	$ 9.22
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	29	47	57
Proceeds from Stock Options Exercised	85	38	90
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	55	51	77
Awards to Retirement Eligible Employees Service Period	12 months
Age of Retirement Eligibility	55 years
Years of Historical Volatility Included in Most Recent Volatility	15 years
Employee Stock Option [Member]
Note 19 - Share-based Compensation (Details) [Line Items]
Allocated Share-based Compensation Expense	25	37	48
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	19
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 109 days
Restricted Stock [Member]
Note 19 - Share-based Compensation (Details) [Line Items]
Allocated Share-based Compensation Expense	29	31	29
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	27
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 292 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	29	13	15
Restricted Stock [Member] \| Minimum [Member]
Note 19 - Share-based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	1 year
Restricted Stock [Member] \| Maximum [Member]
Note 19 - Share-based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	10 years
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	10 years
Performance Shares [Member]
Note 19 - Share-based Compensation (Details) [Line Items]
Allocated Share-based Compensation Expense		2	9
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value		$ 45	$ 10
Minimum [Member]
Note 19 - Share-based Compensation (Details) [Line Items]
Stock Options Exercisable Period from Date of Grant	1 year
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	5 years 292 days	5 years 255 days	5 years 36 days
Maximum [Member]
Note 19 - Share-based Compensation (Details) [Line Items]
Stock Options Exercisable Period from Date of Grant	5 years
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	7 years 73 days	7 years 36 days	6 years 255 days

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Awards to retirement eligible employees, service period

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In the money options

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Years of historical volatility included in the calculation of the forfeiture rate and then it is adjusted if actual forfeitures differ significantly from the original estimates.

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Stock options exercisable period from date of grant.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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