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INCOME TAXES (Reconciliation of U.S. federal statutory rate to effective tax rate) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Amount |  |  |
U.S. federal statutory tax rate | $ 1,215 | $ 4,945 | $ 280
Valuation allowance, net | (1,680) | (2,955) | 0
Foreign tax credit limitation | (598) | (228) | (136)
Percentage depletion | 211 | 186 | 263
Withholding and other impacts on foreign earnings | (93) | (193) | (161)
Effect of foreign rates different than the U.S. federal statutory rate | 45 | 12 | 69
Goodwill impairment | 0 | 0 | (601)
Goodwill transferred to full cost pool | 0 | 0 | (77)
State income taxes | 46 | 105 | 116
Other items, net | (37) | 79 | 22
(Provision for) benefit from income taxes | $ (371) | $ 1,951 | $ (225)
Percent |  |  |
U.S. federal statutory tax rate | (35.00%) | (35.00%) | (35.00%)
Valuation allowance, net | 48.00% | 21.00% | (0.00%)
Foreign tax credit limitation | 17.00% | 2.00% | 17.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Restructuring Charges, Amount | $ (520) | $ 0 | $ 0
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Restructuring Charges, Percent | 15.00% | 0.00% | 0.00%
Percentage depletion | (6.00%) | (1.00%) | (33.00%)
Withholding and other impacts on foreign earnings | 3.00% | 1.00% | 20.00%
Effect of foreign rates different than the U.S. federal statutory rate | (1.00%) | (0.00%) | (9.00%)
Goodwill impairment | (0.00%) | (0.00%) | 75.00%
Goodwill transferred to full cost pool | (0.00%) | (0.00%) | 10.00%
State income taxes | (1.00%) | (1.00%) | (14.00%)
Other items, net | 1.00% | (1.00%) | (3.00%)
(Provision for) benefit from income taxes | 11.00% | (14.00%) | 28.00%
Valuation allowances | $ 6,058 | $ 4,183 |
Impairment To Oil And Gas Properties |  |  |
Percent |  |  |
Valuation allowances | 1,600 | $ 3,300 |
Candelaria and Ojos del Salado Mining Complex |  |  |
Percent |  |  |
Adjustment from sale of Candelaria and Ojos del Salado mines |  |  | $ 221
Domestic Tax Authority |  |  |
Percent |  |  |
Valuation allowances | $ 574 |  |
Other nondeductible expense |  |  | (16)
Chili - Service of Internal Taxes | Foreign Tax Authority |  |  |
Percent |  |  |
U.S. federal statutory tax rate | (35.00%) |  |
Other nondeductible expense |  |  | 54
SUNAT | Foreign Tax Authority |  |  |
Amount |  |  |
Other items, net | $ 13 |  |
Percent |  |  |
Other nondeductible expense |  |  | $ 24

X
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319 + Details
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