v3.22.4
INTANGIBLE ASSETS (Notes)
 12 Months Ended
Dec. 31, 2022
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Intangible Assets INTANGIBLE ASSETS
The following table provides information regarding the Corporation's intangible assets:

Intangible Assets at Dec 3120222021
In millionsGross Carrying AmountAccum AmortNetGross Carrying AmountAccum AmortNet
Intangible assets with finite lives:
Developed technology$33 $(33)$— $33 $(33)$— 
Software76 (67)9 83 (70)13 
Total intangible assets$109 $(100)$9 $116 $(103)$13 

The following table provides information regarding amortization expense:

Amortization Expense
In millions202220212020
Software, included in "Cost of sales"$5 $6 $8 

Total estimated amortization expense for the next five fiscal years, including amounts expected to be capitalized, is as follows:

Estimated Amortization Expense for Next Five Years
In millions
2023$4 
2024$3 
2025$2 
2026$1 
2027$1