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Receivables, Net (Tables)
12 Months Ended
Dec. 31, 2024
Receivables, Net  
Schedule of receivables

December 31,

($ in millions)

2024

    

2023

Trade accounts receivable

$

1,258

$

1,165

Unbilled receivables

490

520

Less: Allowance for doubtful accounts

(12)

(15)

Net trade accounts receivable

1,736

1,670

Other receivables

430

387

$

2,166

$

2,057