XML 86 R69.htm IDEA: XBRL DOCUMENT v3.8.0.1
Accounts and Notes Receivable, Net (Schedule of Accounts and Notes Receivable) (Details) - USD ($)
$ in Millions
Mar. 31, 2018
Dec. 31, 2017
Receivables [Abstract]    
Accounts receivable - trade, net $ 1,016 $ 847
VAT, GST and other taxes 57 54
Other receivables 10 18
Total accounts and notes receivable, net $ 1,083 $ 919