XML 63 R15.htm IDEA: XBRL DOCUMENT v2.4.1.9
LEASE COMMITMENTS
12 Months Ended
Dec. 31, 2014
LEASE COMMITMENTS  
LEASE COMMITMENTS

 

NOTE 6    LEASE COMMITMENTS

 

We have entered into various operating lease agreements, mainly for office space, office equipment, and field equipment. We lease assets when leasing offers greater operating flexibility. Lease payments are generally expensed as part of production costs or selling, general and administrative expenses.  At December 31, 2014, future net minimum lease payments for noncancelable operating leases (excluding oil and natural gas and other mineral leases, utilities, taxes, insurance and maintenance expense) totaled:

 

 

 

Amount

 

 

 

(in millions)

 

2015

 

$

13 

 

2016

 

14 

 

2017

 

14 

 

2018

 

14 

 

2019

 

12 

 

Thereafter

 

58 

 

Total minimum lease payments

 

$

125 

 

 

Rental expense for operating leases was $10 million in 2014, $11 million in 2013 and $12 million in 2012.