Contingent Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Loss Contingency [Abstract]

Schedule of change in balance sheet position of product related liabilities

The table below summarizes the change in product related liabilities in the unaudited Condensed Consolidated Balance Sheets.

	Three Months Ended June 30				Six Months Ended June 30
(Dollars in millions)	2020		2019		2020		2019
Reserve at beginning of the period	$	18	$	14	$	15	$	16
Change in reserve	1		2		6		1
Cash payments	(1)		(1)		(3)		(3)
Reserve at end of the period	$	18	$	14	$	18	$	14