THE SPIN-OFF, SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND OTHER - Other Current Assets (Details) - Other current assets - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Other current assets
Amounts due from joint interest partners	$ 44	$ 42
Derivative assets from commodities contracts	39	87
Prepaid expenses	$ 14	$ 26