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Supplemental Cash Flow Information
 3 Months Ended
Mar. 31, 2019
Supplemental Cash Flow Information [Abstract]  
SUPPLEMENTAL CASH FLOW INFORMATION 12.
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,
 
2019
 
2018
Decrease (increase) in current assets:
 
 
 
Receivables, net
$
(895
)
 
$
145

Inventories
28

 
(126
)
Prepaid expenses and other
16

 
(79
)
Increase (decrease) in current liabilities:
 
 
 
Accounts payable
1,400

 
(322
)
Accrued expenses
(167
)
 
(131
)
Taxes other than income taxes payable
(263
)
 
(111
)
Income taxes payable
11

 
(402
)
Changes in current assets and current liabilities
$
130

 
$
(1,026
)


Cash flows related to interest and income taxes were as follows (in millions):
 
Three Months Ended
March 31,
 
2019
 
2018
Interest paid in excess of amount capitalized,
including interest on finance leases
$
96

 
$
127

Income taxes paid, net
59

 
552


Supplemental cash flow information related to our operating and finance leases was as follows (in millions):
 
 
Three Months Ended March 31, 2019
 
 
Operating
Leases
 
Finance
Leases
Cash paid for amounts included in the measurement
of lease liabilities:
 
 
 
 
Operating cash flows
 
$
107

 
$
11

Financing cash flows
 
—

 
6

ROU assets obtained in exchange for new lease liabilities (a)
 
1,430

 
2

Changes in lease balances resulting from lease modifications
 
(26
)
 
—

___________________
(a)
Includes noncash activity of $1.3 billion for ROU assets for operating leases recorded on January 1, 2019 upon adoption of Topic 842.

Noncash investing and financing activities during the three months ended March 31, 2019 also included the derecognition of the property, plant, and equipment and long-term liability related to previous owner accounting and the recognition of our investment in joint venture associated with a build-to-suit lease arrangement as described in Note 6.

There were no significant noncash investing and financing activities during the three months ended March 31, 2018.