Annual report pursuant to Section 13 and 15(d)

NET CHANGE IN OPERATING ASSETS AND LIABILITIES (Details)

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NET CHANGE IN OPERATING ASSETS AND LIABILITIES (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Net change in operating assets and liabilities      
(Increase) decrease in trade accounts receivable $ (28) $ (212) $ (253)
(Increase) decrease in inventories (142) (250) 35
(Increase) decrease in prepaid expenses and other assets 283 123 194
Increase (decrease) in accounts payable and accrued expenses (540) 1,004 (250)
Increase (decrease) in accrued taxes 750 (306) 151
Increase (decrease) in other liabilities (544) (516) (316)
Net change in operating assets and liabilities $ (221) $ (157) $ (439)