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Short-Term Borrowings (Tables)
12 Months Ended
Dec. 31, 2024
Line of Credit Facility [Line Items]  
Schedule of Balances Outstanding and Interest Rates of Borrowings

Balances outstanding and interest rates on borrowings (excluding letters of credit) under the Company’s revolving committed line of credit were as follows as of December 31 (dollars in millions):

 

 

 

2024

 

 

2023

 

Balance outstanding at end of period

 

$

342

 

 

$

349

 

Letters of credit balance outstanding at end of period

 

 

5

 

 

 

5

 

Average interest rate at end of period

 

 

5.52

%

 

 

6.46

%