Relationship with Former Parent and Related Entities (Tables)

9 Months Ended

Sep. 30, 2019

Related Party Transactions [Abstract]

Summary of amount due to and from related parties

Amounts due to and due from related parties are summarized in the below table:

Related Party	As of
(Dollars in millions)	September 30, 2019		December 31, 2018
Related party receivable	$	14	$	64
Related party notes receivable	—		1
Related party payables	4		16
Related party short-term debt	2		1
Related party long-term debt	12		13