CHEVRON CORP | 2013 | FY | 3


 
Year ended December 31
 
 
2013

 
 
2012

 
2011

Net (increase) decrease in operating working capital was composed of the following:
 
 
 
 
 
 
(Increase) decrease in accounts and
notes receivable
$
(1,101
)
 
 
$
1,153

 
$
(2,156
)
Increase in inventories
(237
)
 
 
(233
)
 
(404
)
Decrease (increase) in prepaid expenses and other current assets
834

 
 
(471
)
 
(853
)
Increase in accounts payable and accrued liabilities
160

 
 
544

 
3,839

(Decrease) increase in income and other taxes payable
(987
)
 
 
(630
)
 
1,892

Net (increase) decrease in operating working capital
$
(1,331
)
 
 
$
363

 
$
2,318

Net cash provided by operating activities includes the following cash payments for income taxes:
 
 
 
 
 
 
Income taxes
$
12,898

 
 
$
17,334

 
$
17,374

Net sales (purchases) of marketable securities consisted of the following gross amounts:
 
 
 
 
 
 
Marketable securities purchased
$
(7
)
 
 
$
(35
)
 
$
(112
)
Marketable securities sold
10

 
 
32

 
38

Net sales (purchases) of marketable securities
$
3

 
 
$
(3
)
 
$
(74
)
Net sales (purchases) of time deposits consisted of the following gross amounts:
 
 
 
 
 
 
Time deposits purchased
$
(2,317
)
 
 
$
(717
)
 
$
(6,439
)
Time deposits matured
3,017

 
 
3,967

 
5,335

Net sales (purchases) of time deposits
$
700

 
 
$
3,250

 
$
(1,104
)

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