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Derivative Instruments and Hedging Activities - Part 1 (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Foreign Exchange Contract [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability | $ (28,000,000) |  | $ (28,000,000) |  | $ (43,000,000)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease) | (4,000,000) | $ (16,000,000) | (44,000,000) | $ (13,000,000) |
Interest Rate Contract [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability | (473,000,000) |  | (473,000,000) |  | (610,000,000)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease) | (1,000,000) | 0 | 1,000,000 | 0 |
Interest Rate Contract [Member] | Libor and Euribor [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Derivatives, notional amount | 5,372,000,000 |  | 5,372,000,000 |  |
Cross currency derivatives [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability | (34,000,000) |  | (34,000,000) |  | (4,000,000)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease) | 0 | 0 | 0 | 0 |
Commodity Contract [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability | (103,000,000) |  | (103,000,000) |  | (22,000,000)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease) | 0 | 0 | 0 | 1,000,000 |
Derivative Liability, Fair Value, Gross Liability | (638,000,000) |  | (638,000,000) |  | $ (679,000,000)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease) | (5,000,000) | $ (16,000,000) | (43,000,000) | $ (12,000,000) |
Natural Gas and Natural Gas Liquids [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Commodity Contract Asset, Current | 104,000,000 |  | 104,000,000 |  |
Energy [Domain] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Commodity Contract Asset, Current | 27,000,000 |  | 27,000,000 |  |
Coal [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Commodity Contract Asset, Current | 8,000,000 |  | 8,000,000 |  |
Unidad de Fomento (funds code) | Cross currency derivatives [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Derivatives, notional amount | 376,000,000 |  | 376,000,000 |  |
Argentina, Pesos | Foreign Exchange Contract [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Derivatives, notional amount | 14,000,000 |  | 14,000,000 |  |
Chile, Pesos | Foreign Exchange Contract [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Derivatives, notional amount | 159,000,000 |  | 159,000,000 |  |
Colombia, Pesos | Foreign Exchange Contract [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Derivatives, notional amount | 165,000,000 |  | 165,000,000 |  |
Mexico, Pesos | Foreign Exchange Contract [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Derivatives, notional amount | 132,000,000 |  | 132,000,000 |  |
Euro Member Countries, Euro | Foreign Exchange Contract [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Derivatives, notional amount | 132,000,000 |  | 132,000,000 |  |
Other unspecified currency [Domain] | Foreign Exchange Contract [Member] |  |  |  |  |
Derivative Tables [Line Items] |  |  |  |  |
Derivatives, notional amount | $ 1,000,000 |  | $ 1,000,000 |  |

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