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DOMESTIC AND FOREIGN INCOME TAXES (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Domestic and foreign components of income from continuing operations before domestic and foreign income taxes |  |  |
Income from continuing operations before income taxes, Domestic | $ 3,431 | $ (609) | $ (2,698)
Income from continuing operations before income taxes, Foreign | 2,177 | 1,937 | 1,034
Pre-tax operating profit (loss) | 5,608 | 1,328 | (1,664)
Provisions (credits) for domestic and foreign income taxes on continuing operations |  |  |
Current United States Federal tax expense (benefit) | (23) | (81) | (784)
Current State and Local tax expense (benefit) | 52 | 11 | 9
Current Foreign tax expense (benefit) | 1,077 | 806 | 630
Current Total tax expense (benefit) | 1,106 | 736 | (145)
Deferred United States Federal tax expense (benefit) | 422 | (856) | (504)
Deferred State and Local tax expense (benefit) | 12 | 23 | (19)
Deferred Foreign tax expense (benefit) | (63) | 114 | 6
Deferred Total tax expense (benefit) | 371 | (719) | (517)
United States Federal Total tax expense (benefit) | 399 | (937) | (1,288)
State and Local Total tax expense (benefit) | 64 | 34 | (10)
Foreign Total tax expense (benefit) | 1,014 | 920 | 636
Total tax expense (benefit) | $ 1,477 | $ 17 | $ (662)
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 | 21.00% | 35.00% | 35.00%
Other than temporary loss on available for sale investment in California Resources stock | 0.00% | 0.00% | (2.00%)
Enhanced oil recovery credit | (3.00%) | (9.00%) | 5.00%
Tax benefit due to write off of exploration blocks | 0.00% | 0.00% | 14.00%
Change in federal income tax rate | 0.00% | (44.00%) | 0.00%
Tax (benefit) expense due to reversal of indefinite reinvestment assertion | (2.00%) | 7.00% | 0.00%
Operations outside the United States | 11.00% | 12.00% | (14.00%)
State income taxes, net of federal benefit | 1.00% | 2.00% | 0.00%
Other | (2.00%) | (2.00%) | 2.00%
Worldwide effective tax rate | 26.00% | 1.00% | 40.00%
Tax Cuts and Jobs Act (TCJA) |  |  |
Estimate of state tax associated with mandatory deemed repatriation | $ 25 |  |
Deferred Tax Assets |  |  |
Environmental reserves | 195 | $ 191 |
Postretirement benefit accruals | 176 | 145 |
Deferred compensation and benefits | 170 | 151 |
Asset retirement obligations | 280 | 228 |
Foreign tax credit carryforwards | 2,356 | 2,750 |
General business credit carryforwards | 429 | 407 |
Net operating loss carryforward | 29 | 437 |
Federal benefit of state income taxes | 18 | 10 |
All other | 93 | 146 |
Subtotal | 3,746 | 4,465 |
Valuation allowance | (2,403) | (2,640) |
Total deferred taxes | 1,343 | 1,825 |
Deferred Tax Liabilities |  |  |
Property, plant and equipment differences | 2,089 | 2,272 |
Equity investments, partnerships and foreign subsidiaries | 161 | 134 |
Deferred Tax Liabilities, total deferred taxes | 2,250 | 2,406 |
Deferred tax assets | 1,343 | 1,825 |
Foreign tax credit carryforwards | 2,356 | 2,750 |
State operating loss carryforwards | 28 |  |
State tax credit carryforward | 41 |  |
Federal operating loss carryforwards that expire in 2037 | 14 |  |
Deferred tax liability released | 99 |  |
Deferred foreign tax liability due to reversal of indefinite re-investment assertion | 837 |  |
Additional deferred tax liability amount required | 199 |  |
Discontinued operations income tax charges (benefits) |  |  | $ 249
Reconciliation of unrecognized tax benefits |  |  |
Balance, at beginning of period | 22 | 22 | 22
Reductions based on tax positions related to prior years and settlements | (22) | 0 | 0
Balance, at end of period | 0 | 22 | $ 22
State |  |  |
Deferred Tax Liabilities |  |  |
Valuation allowance on net operating loss carryforwards | 33 |  |
Other current assets |  |  |
Reconciliation of unrecognized tax benefits |  |  |
Income tax receivables | 68 | 76 |
Long-term receivables and other assets, net |  |  |
Reconciliation of unrecognized tax benefits |  |  |
Federal alternative minimum tax non-current receivables | $ 68 | $ 221 |

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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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