INTANGIBLE ASSETS

6 Months Ended

Jun. 30, 2014

Intangible Assets, Net (Excluding Goodwill) [Abstract]

INTANGIBLE ASSETS DISCLOSURE

INTANGIBLE ASSETS

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

Intangible Assets	At June 30, 2014							At December 31, 2013
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	52		(40		)	12		49		(39		)	10
Total intangible assets	$	85	$	(73	)	$	12	$	82	$	(72	)	$	10

Total estimated amortization expense for 2014 and the five succeeding fiscal years is as follows:

Estimated Amortization Expense In millions
2014	$	2
2015	$	2
2016	$	3
2017	$	2
2018	$	2
2019	$	1