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Receivables, Net (Tables)
3 Months Ended
Mar. 31, 2023
Receivables, Net  
Schedule of receivables

March 31,

December 31,

($ in millions)

2023

    

2022

Trade accounts receivable

$

1,260

$

1,373

Unbilled receivables

824

746

Less: Allowance for doubtful accounts

(12)

(12)

Net trade accounts receivable

2,072

2,107

Other receivables

489

487

$

2,561

$

2,594