Note 9 - Equity (Tables)

12 Months Ended

Dec. 31, 2013

Stockholders' Equity Note [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

In millions (1)	Cash flow hedges			Retirement benefit plans			Total
As of December 31, 2010	$	(5	)	$	(145	)	$	(150	)
Other comprehensive loss		(2	)		(65	)		(67	)
As of December 31, 2011		(7	)		(210	)		(217	)
Other comprehensive income (loss)		4			(5	)		(1	)
As of December 31, 2012		(3	)		(215	)		(218	)
Other comprehensive income, before reclassifications		1			66			67
Amounts reclassified from accumulated other comprehensive loss		3			12			15
As of December 31, 2013	$	1		$	(137	)	$	(136	)

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

In millions (1)
Cash flow hedges
Natural gas contracts	$	(1	)	Cost of goods sold
Interest rate contracts		(3	)	Interest expense, net
Total before income tax		(4	)
Income tax benefit		1
Total cash flow hedges		(3	)
Retirement benefit plan amortization of
Actuarial losses		(25	)	See (2), below
Prior service credits		5		See (2), below
Total before income tax		(20	)
Income tax benefit		8
Total retirement benefit plans		(12	)
Total reclassification for the period	$	(15	)