Note 16 - Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Fair Value, Measurement Inputs, Disclosure [Text Block]

		Fair value measurements at reporting date using
(in millions)	December 31, 2013	Quoted prices in active markets for identical assets (Level 1)	Significant other observable inputs (Level 2)	Significant unobservable inputs (Level 3)
Current assets:
Short-term investments	$531	$531
Other current assets (1)	$372		$372
Non-current assets:
Other assets (2)	$128		$128
Current liabilities:
Other accrued liabilities (1)	$    9		$    9
Non-current liabilities:
Other liabilities (1)	$  28		$  28

		Fair value measurements at reporting date using
(in millions)	December 31, 2012	Quoted prices in active markets for identical assets (Level 1)	Significant other observable inputs (Level 2)	Significant unobservable inputs (Level 3)
Current assets:
Short-term investments	$1,156	$1,156
Other current assets (1)	$   166		$166
Non-current assets:
Other assets (2)	$     40		$  40
Current liabilities:
Other current liabilities (1)	$     13		$  13