Intangible Assets

3 Months Ended

Mar. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets Disclosure [Text Block]

INTANGIBLE ASSETS

The following table provides information regarding the Corporation’s intangible assets:

Intangible Assets	At March 31, 2012							At December 31, 2011
In millions	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Intangible assets with finite lives:
Licenses and intellectual property	$	33	$	(33	)	$	—	$	33	$	(33	)	$	—
Software	117		(109		)	8		116		(108		)	8
Total intangible assets	$	150	$	(142	)	$	8	$	149	$	(141	)	$	8

Amortization expense for software, which is included in “Cost of sales” in the consolidated statements of income, was $1 million in the first quarter of 2012 and $1 million in the first quarter of 2011. Amortization expense for intangible assets (not including software) was immaterial in the first quarter of 2012 and 2011.

Total estimated amortization expense for 2012 and the five succeeding fiscal years is as follows:

Estimated Amortization Expense In millions
2012	$	2
2013	$	2
2014	$	1
2015	$	1
2016	$	1
2017	$	1