INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2020

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible Assets

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

Intangible Assets	Mar 31, 2020						Dec 31, 2019
In millions	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Intangible assets with finite lives:
Licenses and developed technology	$	33	$	(33)	$	—	$	33	$	(33)	$	—
Software	80		(59)		21		79		(57)		22
Total intangible assets	$	113	$	(92)	$	21	$	112	$	(90)	$	22

Schedule of Expected Amortization Expense [Table Text Block]

Total estimated amortization expense for 2020 and the five succeeding fiscal years, including amounts for intangible assets not yet placed in service, is as follows:

Estimated Amortization Expense
In millions
2020	$	8
2021	$	6
2022	$	5
2023	$	3
2024	$	1
2025	$	—