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Receivables, Net (Tables)
6 Months Ended
Jun. 30, 2022
Receivables, Net  
Schedule of receivables

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​

​

​

​

​

​

​

​

​

June 30,

​

December 31,

($ in millions)

​

2022

    

2021

​

​

​

​

​

​

​

Trade accounts receivable

​

$

1,731

​

$

1,304

Unbilled receivables

​

​

831

​

​

727

Less: Allowance for doubtful accounts

​

​

(16)

​

​

(9)

Net trade accounts receivable

​

​

2,546

​

​

2,022

Other receivables

​

​

593

​

​

538

​

​

$

3,139

​

$

2,560