Income Taxes	6 Months Ended
Jun. 30, 2016
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 write-downs of the carrying value of the Company’s proved oil and gas properties, statutory tax rate changes, and other significant or unusual items are recognized as discrete items in the quarter in which they occur. During the second quarter of 2016, Apache’s effective income tax rate was primarily impacted by an increase in the valuation allowance on Canadian deferred tax assets. During the second quarter of 2015, Apache’s effective tax rate was primarily impacted by non-cash impairments of the carrying value of the Company's proved oil and gas properties and an increase in the amount of valuation allowances on Canadian deferred tax assets and U.S. foreign tax credits. Apache's 2016 year-to-date effective tax rate is primarily impacted by an increase in the valuation allowance on Canadian deferred tax assets. Apache's 2015 year-to-date effective tax rate was primarily impacted by non-cash impairments of the carrying value of the Company's proved oil and gas properties and an increase in the amount of valuation allowances on Canadian deferred tax assets and U.S. foreign tax credits, offset by a $414 million deferred tax benefit associated with a reduction in the U.K. statutory income tax rate from 62 percent to 50 percent.

Income Taxes

6 Months Ended

Jun. 30, 2016

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 write-downs of the carrying value of the Company’s proved oil and gas properties, statutory tax rate changes, and other significant or unusual items are recognized as discrete items in the quarter in which they occur.

During the second quarter of 2016, Apache’s effective income tax rate was primarily impacted by an increase in the valuation allowance on Canadian deferred tax assets. During the second quarter of 2015, Apache’s effective tax rate was primarily impacted by non-cash impairments of the carrying value of the Company's proved oil and gas properties and an increase in the amount of valuation allowances on Canadian deferred tax assets and U.S. foreign tax credits.

Apache's 2016 year-to-date effective tax rate is primarily impacted by an increase in the valuation allowance on Canadian deferred tax assets. Apache's 2015 year-to-date effective tax rate was primarily impacted by non-cash impairments of the carrying value of the Company's proved oil and gas properties and an increase in the amount of valuation allowances on Canadian deferred tax assets and U.S. foreign tax credits, offset by a $414 million deferred tax benefit associated with a reduction in the U.K. statutory income tax rate from 62 percent to 50 percent.