XML 43 R30.htm IDEA: XBRL DOCUMENT v3.4.0.3
Inventories (Tables)
 3 Months Ended
Mar. 31, 2016
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
 
March 31,
 
December 31,
(In millions)
2016
 
2015
Liquid hydrocarbons, natural gas and bitumen
$
33

 
$
35

Supplies and other items
273

 
278

Inventories, at cost
$
306

 
$
313