Note 14 - Fair Value Measurements (Details) - Major Categories of Financial Assets and Liabilities Measured on a Recurring Basis - USD ($) $ in Millions		Jun. 30, 2015	Dec. 31, 2014
Non-current assets:
Other assets		$ 1,656	$ 1,722
Current liabilities:
Other accrued liabilities (1)(3)		990	1,291
Non-current liabilities:
Other liabilities (1)(3)		2,120	2,046
Current Assets [Member]
Current assets:
Short-term investments		505	759
Other current assets	[1]	669	687
Non Current Assets [Member]
Non-current assets:
Other assets	[1],[2]	1,265	1,330
Current Liabilities [Member]
Current liabilities:
Other liabilities	[1]		44
Current liabilities:
Other accrued liabilities (1)(3)	[1],[3]	41
Non Current Liabilities [Member]
Current liabilities:
Other liabilities	[1]		15
Non-current liabilities:
Other liabilities (1)(3)	[1],[3]	57
Fair Value, Inputs, Level 1 [Member] | Current Assets [Member]
Current assets:
Short-term investments		505	759
Fair Value, Inputs, Level 2 [Member] | Current Assets [Member]
Current assets:
Other current assets	[1]	669	687
Fair Value, Inputs, Level 2 [Member] | Non Current Assets [Member]
Non-current assets:
Other assets	[1],[2]	807	885
Fair Value, Inputs, Level 2 [Member] | Current Liabilities [Member]
Current liabilities:
Other liabilities	[1]		44
Current liabilities:
Other accrued liabilities (1)(3)	[1],[3]	38
Fair Value, Inputs, Level 2 [Member] | Non Current Liabilities [Member]
Current liabilities:
Other liabilities	[1]		15
Non-current liabilities:
Other liabilities (1)(3)	[1],[3]	47
Fair Value, Inputs, Level 3 [Member] | Non Current Assets [Member]
Non-current assets:
Other assets	[1],[2]	458	$ 445
Fair Value, Inputs, Level 3 [Member] | Current Liabilities [Member]
Current liabilities:
Other accrued liabilities (1)(3)	[1],[3]	3
Fair Value, Inputs, Level 3 [Member] | Non Current Liabilities [Member]
Non-current liabilities:
Other liabilities (1)(3)	[1],[3]	$ 10

[1] Derivative assets and liabilities include foreign exchange forward and purchased collar contracts, and interest rate swaps which are measured using observable quoted prices for similar assets and liabilities.

[2] Other assets include asset-backed securities which are measured using observable quoted prices for similar assets and contingent consideration assets which are measured by applying an option pricing model using projected future revenue.

[3] Other accrued liabilities and other liabilities include Level 3 contingent consideration payables which are measured by applying an option pricing model using projected future revenues.