Annual report pursuant to Section 13 and 15(d)

NET CHANGE IN OPERATING ASSETS AND LIABILITIES (Tables)

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NET CHANGE IN OPERATING ASSETS AND LIABILITIES (Tables)
 12 Months Ended
Dec. 31, 2017
NET CHANGE IN OPERATING ASSETS AND LIABILITIES DISCLOSURE [Abstract]  
Net change in operating assets and liabilities
Net cash provided by (used in) operating activities attributable to the net change in operating assets and liabilities is composed of the following (in millions):
Year Ended December 31,
2017

 
2016

 
2015

(Increase) decrease in trade accounts receivable
$
(141
)
 
$
(28
)
 
$
(212
)
(Increase) decrease in inventories
(355
)
 
(142
)
 
(250
)
(Increase) decrease in prepaid expenses and other assets
571

 
283

 
123

Increase (decrease) in accounts payable and accrued expenses
(445
)
 
(540
)
 
1,004

Increase (decrease) in accrued income taxes
(153
)
 
750

 
(306
)
Increase (decrease) in other liabilities1
4,052

 
(544
)
 
(516
)
Net change in operating assets and liabilities
$
3,529

 
$
(221
)
 
$
(157
)

1 The increase in other liabilities in 2017 was primarily due to the one-time transition tax required by the Tax Reform Act signed into law on
December 22, 2017. Refer to Note 14.