XML 28 R18.htm IDEA: XBRL DOCUMENT v3.8.0.1
Supplemental Cash Flow Information
3 Months Ended
Mar. 31, 2018
Supplemental Cash Flow Information [Abstract]  
SUPPLEMENTAL CASH FLOW INFORMATION
11.
SUPPLEMENTAL CASH FLOW INFORMATION

In order to determine net cash provided by operating activities, net income is adjusted by, among other things, changes in current assets and current liabilities as follows (in millions):
 
Three Months Ended
March 31,
 
2018
 
2017
Decrease (increase) in current assets:
 
 
 
Receivables, net
$
145

 
$
817

Inventories
(126
)
 
(291
)
Prepaid expenses and other
(79
)
 
53

Increase (decrease) in current liabilities:
 
 
 
Accounts payable
(322
)
 
(306
)
Accrued expenses
(131
)
 
20

Taxes other than income taxes payable
(111
)
 
(123
)
Income taxes payable
(402
)
 
(19
)
Changes in current assets and current liabilities
$
(1,026
)
 
$
151



Cash flows related to interest and income taxes were as follows (in millions):
 
Three Months Ended
March 31,
 
2018
 
2017
Interest paid in excess of amount capitalized
$
127

 
$
128

Income taxes paid, net
552

 
96



There were no significant noncash investing and financing activities for the three months ended March 31, 2018. Noncash investing and financing activities during the three months ended March 31, 2017 included the recognition of capital lease assets and related obligations totaling approximately $490 million for the lease of storage tanks located at three of our refineries.