XML 69 R36.htm IDEA: XBRL DOCUMENT v3.8.0.1
Receivables (Tables)
12 Months Ended
Dec. 31, 2017
Receivables  
Schedule of receivables

 

 

 

 

 

 

 

 

 

December 31,

($ in millions)

    

2017

    

2016

 

 

 

 

 

 

 

Trade accounts receivable

 

$

1,353

 

$

1,169

Less allowance for doubtful accounts

 

 

(10)

 

 

(11)

Net trade accounts receivable

 

 

1,343

 

 

1,158

Other receivables

 

 

291

 

 

333

 

 

$

1,634

 

$

1,491