Note 7 - Other Long-term Liabilities (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure Text Block Supplement [Abstract]

Other Long-term Liabilities [Table Text Block]

	As of December 31,
(in millions)	2015		2014
Workers compensation	$	113	$	123
Environmental liabilities		13		19
Asset retirement obligations		47		53
Other		105		129
Total	$	278	$	324