Product Warranty Liabilities (Tables)

6 Months Ended

Jun. 30, 2022

Guarantees And Product Warranties [Abstract]

Product Warranty Liability Activities

Product warranty liability activities consist of the following (dollars in millions):

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
Beginning balance	$	53		$	62		$	53		$	66
Payments		(8	)		(8	)		(15	)		(16	)
Increase in liability (warranty issued during period)		5			4			9			8
Net adjustments to liability		3			2			6			2
Ending balance	$	53		$	60		$	53		$	60