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DOMESTIC AND FOREIGN INCOME TAXES (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Domestic and foreign components of income from continuing operations before domestic and foreign income taxes |  |  |
Income from continuing operations before income taxes, Domestic | $ (2,698.0) | $ (5,810.0) | $ (732.0)
Income from continuing operations before income taxes, Foreign | 1,034.0 | (3,666.0) | 2,273.0
Pre-tax operating profit (loss) | (1,664.0) | (9,476.0) | 1,541.0
Provisions (credits) for domestic and foreign income taxes on continuing operations |  |  |
Current United States Federal tax expense (benefit) | (784.0) | (810.0) | 870.0
Current State and Local tax expense (benefit) | 9.0 | (31.0) | 81.0
Current Foreign tax expense (benefit) | 630.0 | 883.0 | 1,912.0
Current Total tax expense (benefit) | (145.0) | 42.0 | 2,863.0
Deferred United States Federal tax expense (benefit) | (505.0) | (1,146.0) | (1,037.0)
Deferred State and Local tax expense (benefit) | (19.0) | (83.0) | (71.0)
Deferred Foreign tax expense (benefit) | 7.0 | (143.0) | (70.0)
Deferred Total tax expense (benefit) | (517.0) | (1,372.0) | (1,178.0)
United States Federal Total tax expense (benefit) | (1,289.0) | (1,956.0) | (167.0)
State and Local Total tax expense (benefit) | (10.0) | (114.0) | 10.0
Foreign Total tax expense (benefit) | 637.0 | 740.0 | 1,842.0
Total tax expense (benefit) | $ (662.0) | $ (1,330.0) | $ 1,685.0
Reconciliation of the United States federal statutory income tax rate to Occidental's worldwide effective tax rate on income from continuing operations |  |  |
United States federal statutory tax rate (as a percent) | 35.00% | 35.00% | 35.00%
Other than temporary loss on available for sale investment in California Resources stock (as a percent) | (2.00%) | (1.00%) | 12.00%
Enhanced oil recovery credit | 5.00% |  |
Tax benefit due to write off of exploration blocks | 14.00% |  |
Operations outside the United States (as a percent) | (14.00%) | (21.00%) | 65.00%
State income taxes, net of federal benefit (as a percent) |  | 1.00% | 1.00%
Other (as a percent) | 2.00% |  | (4.00%)
Worldwide effective tax rate (as a percent) | 40.00% | 14.00% | 109.00%
Deferred Tax Assets and Liabilities |  |  |
Deferred Tax Assets, environmental reserves | $ 314.0 | $ 136.0 |
Deferred Tax Assets, postretirement benefit accruals | 342.0 | 346.0 |
Deferred Tax Assets, deferred compensation and benefits | 222.0 | 179.0 |
Deferred Tax Assets, asset retirement obligations | 406.0 | 372.0 |
Deferred Tax Assets, foreign tax credit carryforwards | 2,046.0 | 2,034.0 |
Deferred Tax Assets, Alternative minimum tax credit carryforwards | 226.0 |  |
Deferred Tax Assets, General business credit carryforwards | 186.0 |  |
Deferred tax Assets, federal benefit of state income taxes | 8.0 | 11.0 |
Deferred Tax Assets, all other | 370.0 | 677.0 |
Deferred Tax Assets, subtotal | 4,120.0 | 3,755.0 |
Deferred Tax Assets, valuation allowance | (1,849.0) | (1,834.0) |
Deferred Tax Assets, total deferred taxes | 2,271.0 | 1,921.0 |
Deferred Tax Liabilities, property, plant and equipment differences | 3,345.0 | 3,232.0 |
Deferred Tax Liabilities, equity investments, partnerships and foreign subsidiaries | 58.0 | 12.0 |
Deferred Tax Liabilities, total deferred taxes | 3,403.0 | 3,244.0 |
Unremitted earnings of certain consolidated foreign subsidiaries | 8,500.0 |  |
Deferred tax liability not recognized, indefinitely reinvested foreign earnings | 116.0 |  |
Discontinued operations income tax charges (benefits) | 249.0 | 1.0 | $ 454.0
Unrecognized tax benefits included in deferred credits and other liabilities - other that would affect effective tax rate | 22.0 |  |
Reconciliation of unrecognized tax benefits |  |  |
Balance, at beginning of period | 22.0 | 61.0 |
Reductions based on tax positions related to prior years and settlements |  | (39.0) |
Balance, at end of period | 22.0 | 22.0 | $ 61.0
Other current assets |  |  |
Reconciliation of unrecognized tax benefits |  |  |
Income tax receivables | $ 761.0 | $ 297.0 |

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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from currently non-deductible expenses in environmental reserves, which can only be deducted for tax purposes when such liabilities are actually incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. + References No definition available. + Details
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- Definition The tax effect as of the balance sheet date of the amount of future tax effects arising from unused state tax credit carryforwards which will decrease future taxable income if applied in future years; a tax credit carryforward is the amount by which tax credits available for utilization exceeded statutory limits on inclusion in historical filings, and which can only be utilized if sufficient tax-basis income is generated in future periods and providing tax laws continue to allow such utilization. + References No definition available. + Details
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to Enhanced oil recovery credit. + References No definition available. + Details
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