Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2023

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

15. Supplemental Cash Flow Information

Payments for interest and income taxes were as follows:

(Dollars in millions)	2023		2022		2021
Interest	$	80	$	64	$	60
Income taxes		192		215		207