As of December 31, 2023, the current and non-current product warranty liabilities were $32 million and $27 million, respectively. As of December 31, 2022, the current and non-current product warranty liabilities were $33 million and $24 million, respectively. Product warranty liability activities consisted of the following (dollars in millions):


	Year ended December 31, 2023			Year ended December 31, 2022			Year ended December 31, 2021
Beginning balance	$	57		$	53		$	66
Payments		(41	)		(31	)		(30	)
Increase in liability (warranty issued during period)		28			17			16
Net adjustments to liability		15			18			1
Ending balance	$	59		$	57		$	53

The adjustments to the total liability in 2023, 2022 and 2021 were the result of general changes in estimates for various products and specific field action programs as additional claims data and field information became available.