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OTHER LIABILITIES, INCLUDING EMPLOYEE BENEFITS (Restructuring Charges) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Restructuring Cost and Reserve [Line Items] |  |  |
Production and delivery | $ 10,300 | $ 10,697 | $ 10,693
Employee Severance |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  |  | 45
Special Termination Benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  |  | 22
Selling, General and Administrative Expenses |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 85 |
Cost of Sales |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 6 |
Grasberg Segment [Member] | One-time Termination Benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Production and delivery | 120 |  |
Corporate And Eliminations [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Production and delivery | (3,119) | $ (1,534) | $ (2,641)
Foreign Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment | $ (4) |  |

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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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