Income Taxes	3 Months Ended
Mar. 31, 2017
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES The Company estimates its annual effective income tax rate for continuing operations in recording its quarterly provision for income taxes in the various jurisdictions in which the Company operates. Non-cash impairments of the carrying value of the Company’s oil and gas properties, gains and losses on the sale of assets, statutory tax rate changes, and other significant or unusual items are recognized as discrete items in the quarter in which they occur. During the first quarter of 2017, Apache’s effective income tax rate was primarily impacted by gains on the sale of oil and gas properties, non-cash impairments of the Company’s PRT decommissioning asset, and an increase in the amount of valuation allowance on Canadian deferred tax assets. During the first quarter of 2016, Apache’s effective income tax rate was primarily impacted by an increase in the valuation allowance on Canadian deferred tax assets. 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. In April 2017, the Internal Revenue Service (IRS) began their audit of the Company’s 2014 tax year. 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

3 Months Ended

Mar. 31, 2017

INCOME TAXES

The Company estimates its annual effective income tax rate for continuing operations in recording its quarterly provision for income taxes in the various jurisdictions in which the Company operates. Non-cash impairments of the carrying value of the Company’s oil and gas properties, gains and losses on the sale of assets, statutory tax rate changes, and other significant or unusual items are recognized as discrete items in the quarter in which they occur.

During the first quarter of 2017, Apache’s effective income tax rate was primarily impacted by gains on the sale of oil and gas properties, non-cash impairments of the Company’s PRT decommissioning asset, and an increase in the amount of valuation allowance on Canadian deferred tax assets. During the first quarter of 2016, Apache’s effective income tax rate was primarily impacted by an increase in the valuation allowance on Canadian deferred tax assets.

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. In April 2017, the Internal Revenue Service (IRS) began their audit of the Company’s 2014 tax year. 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.