INTANGIBLES AND OTHER ASSETS, NET (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangibles and Other Assets

Intangibles and other assets, net consist of the following:

	December 31,
(Dollars in millions)	2018		2019
Intangible assets:
Customer relationships, net of accumulated amortization of $6 million on December 31, 2018 and $9 million on December 31, 2019	$	20	$	17
Trademarks, net of accumulated amortization of $8 million on December 31, 2018 and $11 million on December 31, 2019	8		5
Other assets:
Operating leases	—		14
Restricted cash	2		2
ABL Facility unamortized debt issuance cost, net	2		2
Other	18		19
Intangibles and other assets, net	$	50	$	59

Schedule of Finite-lived Intangible Assets Amortization Expense

Amortization expense related to intangible assets for the periods presented is as follows:

	Year Ended December 31,
(Dollars in millions)	2017		2018		2019
Customer Relationships	$	3	$	2	$	3
Trademarks	3		4		3

Schedule of Estimated Future Amortization Expense for Intangible Assets Over Next Five Years

The estimated future amortization expense for intangible assets over the next five years is as follows:

(Dollars in millions)
2020	$	6
2021	4
2022	3
2023	3
2024	3