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Receivables, Net (Tables)
9 Months Ended
Sep. 30, 2023
Receivables, Net  
Schedule of receivables

September 30,

December 31,

($ in millions)

2023

    

2022

Trade accounts receivable

$

883

$

1,373

Unbilled receivables

789

746

Less: Allowance for doubtful accounts

(12)

(12)

Net trade accounts receivable

1,660

2,107

Other receivables

399

487

$

2,059

$

2,594