ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Tables)

12 Months Ended

Dec. 31, 2013

ENVIRONMENTAL LIABILITIES AND EXPENDITURES

Environmental loss contingencies by categories of sites

$ amounts in millions	2013			2012			2011
	Number of Sites	Reserve Balance		Number of Sites	Reserve Balance		Number of Sites	Reserve Balance
NPL sites	31	$	25	35	$	54	36	$	63
Third-party sites	74	83		75	84		73	88
Occidental-operated sites	20	118		22	123		22	120
Closed or non-operated Occidental sites	32	104		29	83		29	89
Total	157	$	330	161	$	344	160	$	360

Environmental reserve activity

In millions	2013			2012			2011
Balance — Beginning of Year	$	344		$	360		$	366
Remediation expenses and interest accretion	60			56			53
Changes from acquisitions/dispositions	—			—			14
Payments	(74		)	(72		)	(73		)
Balance — End of Year	$	330		$	344		$	360

Environmental cost for each segment

In millions	2013		2012		2011
Operating Expenses
Oil and Gas	$	137	$	160	$	158
Chemical	75		70		68
Midstream and Marketing	17		20		21
	$	229	$	250	$	247
Capital Expenditures
Oil and Gas	$	97	$	122	$	110
Chemical	14		18		15
Midstream and Marketing	7		12		15
	$	118	$	152	$	140
Remediation Expenses
Corporate	$	60	$	56	$	52