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Supplemental Cash Flow Information
12 Months Ended
Dec. 31, 2022
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)

 

2022

 

 

2021

 

 

2020

 

Interest

 

$

64

 

 

$

60

 

 

$

73

 

Income taxes

 

 

215

 

 

 

207

 

 

 

104