Annual report pursuant to Section 13 and 15(d)

OTHER NONCURRENT ASSETS

v3.19.3.a.u2
OTHER NONCURRENT ASSETS
12 Months Ended
Dec. 31, 2019
OTHER NONCURRENT ASSETS  
OTHER NONCURRENT ASSETS

11. OTHER NONCURRENT ASSETS

Other noncurrent assets consisted of the following (dollars in millions):

December 31, 

    

2019

    

2018

Capitalized turnaround costs, net

$

223

$

172

Catalyst assets, net

 

24

 

26

Other

 

205

 

195

Total

$

452

$

393

Amortization expense of catalyst assets for the years ended December 31, 2019, 2018 and 2017 was $9 million, $10 million and $7 million, respectively.