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Goodwill and Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Goodwill

GOODWILL (Dollars in millions)

 

2023

 

 

2022

 

Carrying amount at beginning of year

 

$

1,375

 

 

$

1,387

 

Translation differences

 

 

2

 

 

 

(11

)

Carrying amount at end of year

 

$

1,378

 

 

$

1,375

 
Schedule of Amortizable Intangibles

AMORTIZABLE INTANGIBLES (Dollars in millions)

 

2023

 

 

2022

 

Gross carrying amount

 

$

391

 

 

$

387

 

Accumulated amortization

 

 

(384

)

 

 

(380

)

Carrying value

 

$

7

 

 

$

7