ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Tables)

12 Months Ended

Dec. 31, 2016

ENVIRONMENTAL LIABILITIES AND EXPENDITURES

Environmental remediation reserves by categories of sites

($ amounts in millions)	2016			2015			2014
	Number of Sites	Reserve Balance		Number of Sites	Reserve Balance		Number of Sites	Reserve Balance
NPL sites	33	$	461	34	$	27	30	$	23
Third-party sites	68	163		66	128		67	101
Occidental-operated sites	17	106		18	107		17	107
Closed or non-operated Occidental sites	29	140		31	124		31	103
Total	147	$	870	149	$	386	145	$	334

Environmental cost for each segment

(in millions)	2016		2015		2014
Operating Expenses
Oil and Gas	$	65	$	93	$	103
Chemical	75		74		80
Midstream and Marketing	11		13		11
	$	151	$	180	$	194
Capital Expenditures
Oil and Gas	$	43	$	122	$	143
Chemical	25		41		35
Midstream and Marketing	5		4		11
	$	73	$	167	$	189
Remediation Expenses
Corporate	$	61	$	117	$	79