Note 7 - Other Long-term Liabilities (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure Text Block Supplement [Abstract]

Other Long Term Liabilities [Table Text Block]

(in millions)	As of December 31, 2014		As of December 31, 2013
Worker's compensation	$	123	$	125
Environmental liabilities		19		82
Asset retirement obligations		53		52
Other		129		162
Total	$	324	$	421