Annual report pursuant to Section 13 and 15(d)

NET CHANGE IN OPERATING ASSETS AND LIABILITIES

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NET CHANGE IN OPERATING ASSETS AND LIABILITIES
 12 Months Ended
Dec. 31, 2019
NET CHANGE IN OPERATING ASSETS AND LIABILITIES DISCLOSURE [Abstract]  
NET CHANGE IN OPERATING ASSETS AND LIABILITIES 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,
2019

2018

2017

(Increase) decrease in trade accounts receivable
$
(158
)
$
27

$
(108
)
(Increase) decrease in inventories
(183
)
(203
)
(276
)
(Increase) decrease in prepaid expenses and other assets
(87
)
(221
)
506

Increase (decrease) in accounts payable and accrued expenses1
1,318

(251
)
(573
)
Increase (decrease) in accrued income taxes
96

(17
)
(159
)
Increase (decrease) in other liabilities2
(620
)
(575
)
4,052

Net change in operating assets and liabilities
$
366

$
(1,240
)
$
3,442


1 The increase in accounts payable and accrued expenses in 2019 was primarily due to extending payment terms with our suppliers.
2 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 16.