INCOME TAXES	9 Months Ended
Sep. 30, 2013
Income Tax Disclosure [Abstract]
INCOME TAXES	7. INCOME TAXES The Company estimates its annual effective income tax rate in recording its quarterly provision for income taxes in the various jurisdictions in which the Company operates. Statutory tax rate changes and other significant or unusual items are recognized as discrete items in the quarter in which they occur. Accordingly, the Company recorded the income tax impact of a $552 million non-cash write-down and a $75 million non-cash impairment on its U.S. and Kenyan oil and gas properties, respectively, as discrete items for the three months ended September 30, 2013. The Company also recorded the income tax impact of $65 million and $116 million non-cash write-downs of its Argentinian proved oil and gas properties as discrete items in the first and third quarters of 2013, respectively. In 2012, the Company recorded the income tax impact of $521 million, $641 million, and $721 million non-cash write-downs of its Canadian proved oil and gas properties as discrete items in the first, second, and third quarters, respectively. The Company recorded increases of $48 million and $10 million in the Argentina and Canada valuation allowances, respectively, during the third quarter of 2013 for deferred tax assets the Company does not expect to realize. During the first nine months of 2013, the Company recorded increases in the valuation allowances in Argentina and Canada totaling $66 million and $38 million, respectively. Apache and its subsidiaries are subject to U.S. federal income tax as well as income or capital taxes in various state and foreign jurisdictions. The Company’s tax reserves are related to tax years that may be subject to examination by the relevant taxing authority. The Company is under audit with the Internal Revenue Service (IRS) for the 2011 and 2012 tax years. The Company is also under audit in various states and in most of the Company’s foreign jurisdictions as part of its normal course of business.

INCOME TAXES

9 Months Ended

Sep. 30, 2013

7. INCOME TAXES

The Company estimates its annual effective income tax rate in recording its quarterly provision for income taxes in the various jurisdictions in which the Company operates. Statutory tax rate changes and other significant or unusual items are recognized as discrete items in the quarter in which they occur. Accordingly, the Company recorded the income tax impact of a $552 million non-cash write-down and a $75 million non-cash impairment on its U.S. and Kenyan oil and gas properties, respectively, as discrete items for the three months ended September 30, 2013. The Company also recorded the income tax impact of $65 million and $116 million non-cash write-downs of its Argentinian proved oil and gas properties as discrete items in the first and third quarters of 2013, respectively. In 2012, the Company recorded the income tax impact of $521 million, $641 million, and $721 million non-cash write-downs of its Canadian proved oil and gas properties as discrete items in the first, second, and third quarters, respectively.

The Company recorded increases of $48 million and $10 million in the Argentina and Canada valuation allowances, respectively, during the third quarter of 2013 for deferred tax assets the Company does not expect to realize. During the first nine months of 2013, the Company recorded increases in the valuation allowances in Argentina and Canada totaling $66 million and $38 million, respectively.

Apache and its subsidiaries are subject to U.S. federal income tax as well as income or capital taxes in various state and foreign jurisdictions. The Company’s tax reserves are related to tax years that may be subject to examination by the relevant taxing authority. The Company is under audit with the Internal Revenue Service (IRS) for the 2011 and 2012 tax years. The Company is also under audit in various states and in most of the Company’s foreign jurisdictions as part of its normal course of business.