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Accounts, Notes and Other Receivables—Net
12 Months Ended
Dec. 31, 2024
Receivables [Abstract]  
Accounts, Notes and Other Receivables—Net
Note 8. Accounts, Notes and Other Receivables—Net
December 31,
20242023
(Dollars in millions)
Trade receivables$521 $614 
Notes receivables96 101 
Other receivables74 99 
691 814 
Less — Allowance for expected credit losses(4)(6)
$687 $808 
Trade receivables include $40 million and $38 million of unbilled balances as of December 31, 2024 and 2023, respectively.