Note 8 - Debt and Credit Facilities (Details) - Maturities of Long-Term Debt (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Note 8 - Debt and Credit Facilities (Details) - Maturities of Long-Term Debt [Line Items]
2014	$ 0
2015	200
2016	545
2017	22
2018	155
Thereafter	2,784
Total	3,813	3,327
Long-Term Debt Principal [Member]
Note 8 - Debt and Credit Facilities (Details) - Maturities of Long-Term Debt [Line Items]
Total	$ 3,706	$ 3,206

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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-Name Regulation S-X (SX)

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-Topic 210

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-Subparagraph (SX 210.5-02.22)

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year.

+ References

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-Publisher FASB

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-Topic 470

-SubTopic 10

-Section 50

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year.

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