Fair Value Measurement (Fair Value Measurement Inputs) (Details) $ in Millions | 9 Months Ended | 12 Months Ended | | |
Sep. 30, 2019USD ($) | Sep. 30, 2018USD ($) | Dec. 31, 2020USD ($) | Dec. 31, 2019USD ($) | Dec. 31, 2018USD ($)$ / bbl | Dec. 31, 2016USD ($)$ / bbl | Nov. 30, 2016USD ($)$ / lb |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Other Assets, Current | $ 672 | | | | $ 422 | | |
Other assets | 1,966 | | | | 2,172 | | |
Proceeds from Sale of Other Assets, contingent consideration | 102 | $ 10 | | | | | |
Derivative Liability, Fair Value, Gross Liability | 42 | | | | 48 | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | 0 | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 5 | | | | 16 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 41 | | | | 41 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Discontinued Operation, Contingent Receivable | 0 | | | | 0 | | |
Investment securities (current and long-term): | | | | | | | |
Investments, Fair Value Disclosure | 27 | | | | 25 | | |
Trust Assets Fair Value Disclosure | 59 | | | | 55 | | |
Derivatives: | | | | | | | |
Derivative Asset | 0 | | | | 0 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 0 | | | | 0 | | |
Long-term debt, including current portion | 0 | | | | 0 | | |
Level 1 | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Discontinued Operation, Contingent Receivable | 0 | | | | 0 | | |
Investment securities (current and long-term): | | | | | | | |
Investments, Fair Value Disclosure | 4 | | | | 4 | | |
Trust Assets Fair Value Disclosure | 4 | | | | 5 | | |
Derivatives: | | | | | | | |
Derivative Asset | 0 | | | | 0 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 5 | | | | 7 | | |
Long-term debt, including current portion | 0 | | | | 0 | | |
Level 2 | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Discontinued Operation, Contingent Receivable | 0 | | | | 0 | | |
Investment securities (current and long-term): | | | | | | | |
Investments, Fair Value Disclosure | 0 | | | | 0 | | |
Trust Assets Fair Value Disclosure | 133 | | | | 121 | | |
Derivatives: | | | | | | | |
Derivative Asset | 73 | | | | 96 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 37 | | | | 41 | | |
Long-term debt, including current portion | 9,872 | | | | 10,238 | | |
Level 3 | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Discontinued Operation, Contingent Receivable | 110 | | | | 127 | | |
Investment securities (current and long-term): | | | | | | | |
Investments, Fair Value Disclosure | 0 | | | | 0 | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Derivatives: | | | | | | | |
Derivative Asset | 0 | | | | 0 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 0 | | | | 0 | | |
Long-term debt, including current portion | 0 | | | | 0 | | |
Estimate of Fair Value Measurement [Member] | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Discontinued Operation, Contingent Receivable | 110 | | | | 127 | | |
Investment securities (current and long-term): | | | | | | | |
Investments, Fair Value Disclosure | 31 | | | | 29 | | |
Trust Assets Fair Value Disclosure | 196 | | | | 181 | | |
Derivatives: | | | | | | | |
Derivative Asset | 73 | | | | 96 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 42 | | | | 48 | | |
Long-term debt, including current portion | 9,872 | | | | 10,238 | | |
Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Discontinued Operation, Contingent Receivable | 128 | | | | 143 | | |
Investment securities (current and long-term): | | | | | | | |
Investments, Fair Value Disclosure | 31 | | | | 29 | | |
Trust Assets Fair Value Disclosure | 196 | | | | 181 | | |
Derivatives: | | | | | | | |
Derivative Asset | 73 | | | | 96 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 42 | | | | 48 | | |
Long-term debt, including current portion | 9,919 | | | | 11,141 | | |
Embedded Derivative Financial Instruments [Member] | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Derivative Liability, Fair Value, Gross Liability | 36 | | | | 39 | | |
Derivatives: | | | | | | | |
Derivative Asset | 5 | | | | 16 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 35 | | | | 32 | | |
Embedded Derivative Financial Instruments [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 0 | | | | 0 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 0 | | | | 0 | | |
Embedded Derivative Financial Instruments [Member] | Level 1 | | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 0 | | | | 0 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 0 | | | | 0 | | |
Embedded Derivative Financial Instruments [Member] | Level 2 | | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 6 | | | | 23 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 36 | | | | 39 | | |
Embedded Derivative Financial Instruments [Member] | Level 3 | | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 0 | | | | 0 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 0 | | | | 0 | | |
Embedded Derivative Financial Instruments [Member] | Estimate of Fair Value Measurement [Member] | | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 6 | | | | 23 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 36 | | | | 39 | | |
Embedded Derivative Financial Instruments [Member] | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 6 | | | | 23 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 36 | | | | 39 | | |
Commodity Contract [Member] | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Derivative Liability, Fair Value, Gross Liability | 6 | | | | 9 | | |
Derivatives: | | | | | | | |
Derivative Asset | 0 | | | | 0 | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 6 | | | | 9 | | |
Commodity Contract [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 0 | | | | 0 | | |
Commodity Contract [Member] | Level 1 | | | | | | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 5 | | | | 7 | | |
Commodity Contract [Member] | Level 2 | | | | | | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 1 | | | | 2 | | |
Commodity Contract [Member] | Level 3 | | | | | | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 0 | | | | 0 | | |
Commodity Contract [Member] | Estimate of Fair Value Measurement [Member] | | | | | | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 6 | | | | 9 | | |
Commodity Contract [Member] | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Derivatives: [Abstract] | | | | | | | |
Derivative Liability | 6 | | | | 9 | | |
Africa and onshore California [Member] | Commodity Contract [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 0 | | | | 0 | | |
Africa and onshore California [Member] | Commodity Contract [Member] | Level 1 | | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 0 | | | | 0 | | |
Africa and onshore California [Member] | Commodity Contract [Member] | Level 2 | | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 67 | | | | 73 | | |
Africa and onshore California [Member] | Commodity Contract [Member] | Level 3 | | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 0 | | | | 0 | | |
Africa and onshore California [Member] | Commodity Contract [Member] | Estimate of Fair Value Measurement [Member] | | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 67 | | | | 73 | | |
Africa and onshore California [Member] | Commodity Contract [Member] | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Derivatives: | | | | | | | |
Derivative Asset | 67 | | | | 73 | | |
U.S. core fixed income fund [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | 27 | | | | 25 | | |
Trust Assets Fair Value Disclosure | 59 | | | | 55 | | |
U.S. core fixed income fund [Member] | Level 1 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | 0 | | | | 0 | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
U.S. core fixed income fund [Member] | Level 2 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | 0 | | | | 0 | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
U.S. core fixed income fund [Member] | Level 3 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | 0 | | | | 0 | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
U.S. core fixed income fund [Member] | Estimate of Fair Value Measurement [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | 27 | | | | 25 | | |
Trust Assets Fair Value Disclosure | 59 | | | | 55 | | |
U.S. core fixed income fund [Member] | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | 27 | | | | 25 | | |
Trust Assets Fair Value Disclosure | 59 | | | | 55 | | |
Equity securities | Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | | | | | 0 | | |
Equity securities | Level 1 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | 4 | | | | 4 | | |
Equity securities | Level 2 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | 0 | | | | 0 | | |
Equity securities | Level 3 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | 0 | | | | 0 | | |
Equity securities | Estimate of Fair Value Measurement [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | 4 | | | | 4 | | |
Equity securities | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Marketable Securities | 4 | | | | 4 | | |
Government bonds | Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Government bonds | Level 1 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Government bonds | Level 2 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 38 | | | | 36 | | |
Government bonds | Level 3 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Government bonds | Estimate of Fair Value Measurement [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 38 | | | | 36 | | |
Government bonds | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 38 | | | | 36 | | |
Corporate bonds [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Corporate bonds [Member] | Level 1 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Corporate bonds [Member] | Level 2 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 35 | | | | 28 | | |
Corporate bonds [Member] | Level 3 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Corporate bonds [Member] | Estimate of Fair Value Measurement [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 35 | | | | 28 | | |
Corporate bonds [Member] | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 35 | | | | 28 | | |
Government mortgage-backed securities [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Government mortgage-backed securities [Member] | Level 1 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Government mortgage-backed securities [Member] | Level 2 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 41 | | | | 38 | | |
Government mortgage-backed securities [Member] | Level 3 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Government mortgage-backed securities [Member] | Estimate of Fair Value Measurement [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 41 | | | | 38 | | |
Government mortgage-backed securities [Member] | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 41 | | | | 38 | | |
Asset-backed securities [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Asset-backed securities [Member] | Level 1 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Asset-backed securities [Member] | Level 2 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 12 | | | | 11 | | |
Asset-backed securities [Member] | Level 3 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Asset-backed securities [Member] | Estimate of Fair Value Measurement [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 12 | | | | 11 | | |
Asset-backed securities [Member] | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 12 | | | | 11 | | |
Money market funds [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Money market funds [Member] | Level 1 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 4 | | | | 5 | | |
Money market funds [Member] | Level 2 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Money market funds [Member] | Level 3 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Money market funds [Member] | Estimate of Fair Value Measurement [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 4 | | | | 5 | | |
Money market funds [Member] | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 4 | | | | 5 | | |
Collateralized Mortgage Backed Securities [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Collateralized Mortgage Backed Securities [Member] | Level 1 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Collateralized Mortgage Backed Securities [Member] | Level 2 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 6 | | | | 7 | | |
Collateralized Mortgage Backed Securities [Member] | Level 3 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Collateralized Mortgage Backed Securities [Member] | Estimate of Fair Value Measurement [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 6 | | | | 7 | | |
Collateralized Mortgage Backed Securities [Member] | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 6 | | | | 7 | | |
Municipal bonds [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Municipal bonds [Member] | Level 1 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Municipal bonds [Member] | Level 2 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 1 | | | | 1 | | |
Municipal bonds [Member] | Level 3 | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 0 | | | | 0 | | |
Municipal bonds [Member] | Estimate of Fair Value Measurement [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 1 | | | | 1 | | |
Municipal bonds [Member] | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Investment securities (current and long-term): | | | | | | | |
Trust Assets Fair Value Disclosure | 1 | | | | 1 | | |
Bank Time Deposits [Member] | Carrying Amount, Fair Value Disclosure [Member] | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Other Assets, Current | 100 | | | | 109 | | |
Other assets | 164 | | | | 126 | | |
Not Designated as Hedging Instrument [Member] | Embedded Derivative Financial Instruments [Member] | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Derivative Liability, Fair Value, Gross Liability | 36 | | | | 39 | | |
TF Holdings Limited | Disposed of by sale | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Other Assets, Current | 59 | | | | | | |
Other assets | | | | | 57 | | |
Discontinued Operation, Contingent Receivable | | | | | | | $ 120 |
Copper | TF Holdings Limited | Disposed of by sale | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Discontinued Operation, Contingent Receivable | | | | | | | 60 |
Cobalt | TF Holdings Limited | Disposed of by sale | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Discontinued Operation, Contingent Receivable | | | | | | | $ 60 |
Derivatives: | | | | | | | |
Contingent consideration, reference threshold (in us dollars per pound) | $ / lb | | | | | | | 20 |
Freeport-McMoRan Oil & Gas | Onshore California [Member] | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Other assets | 8 | | | | 16 | | |
Discontinued Operation, Contingent Receivable | | | | | | $ 150 | |
Proceeds from Sale of Other Assets, contingent consideration | 50 | | | | | | |
Derivatives: | | | | | | | |
Discontinued Operation, Contingent Receivable, Per Year | | | | | 50 | | |
Freeport-McMoRan Oil & Gas | Deepwater Gulf of Mexico Interests [Member] | | | | | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items] | | | | | | | |
Other Assets, Current | 18 | | | | 27 | | |
Other assets | $ 110 | | | | $ 116 | | |
Discontinued Operation, Contingent Receivable | | | | | | $ 150 | |
Forecast | Freeport-McMoRan Oil & Gas | Onshore California [Member] | | | | | | | |
Derivatives: | | | | | | | |
Discontinued Operation, Contingent Receivable, Per Year | | | $ 50 | $ 50 | | | |
Crude Oil [Member] | Freeport-McMoRan Oil & Gas | Onshore California [Member] | | | | | | | |
Derivatives: | | | | | | | |
Contingent consideration, reference threshold (in us dollars per pound) | $ / bbl | | | | | 70 | 70 | |
Maximum [Member] | Copper | TF Holdings Limited | Disposed of by sale | | | | | | | |
Derivatives: | | | | | | | |
Contingent consideration, reference threshold (in us dollars per pound) | $ / lb | | | | | | | 3.50 |