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Derivative Financial Instruments - Foreign Exchange Rate Risk (Details) € in Millions, ¥ in Millions, $ in Millions, $ in Millions | 3 Months Ended | 41 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2021 SGD ($) $ / bbl bbl | Mar. 31, 2021 SGD ($) $ / bbl bbl | Mar. 31, 2021 USD ($) $ / bbl | Mar. 31, 2021 EUR (€) $ / bbl | Mar. 31, 2021 JPY (¥) $ / bbl | Dec. 31, 2020 SGD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 JPY (¥)
Foreign Exchange Forward |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative contract term | 18 months |  |  |  |  |  |  |  |
Options Held |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, nonmonetary notional amount, volume | bbl | 148,326 | 509,456 |  |  |  |  |  |  |
Derivative, average price risk option strike price | $ / bbl | 60.99 | 60.99 | 60.99 | 60.99 | 60.99 |  |  |  |
USD | Forward Contracts |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  | $ 13.4 |  |  |  | $ 13.4 |  |
USD | Foreign Exchange Forward | Long | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  | 50.3 |  |  |  |  |  |
USD | Foreign Exchange Forward | Short | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  | 0.0 | € 42.7 |  |  |  |  |
USD | Cross Currency Interest Rate Contract |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  | $ 87.2 |
USD | Cross Currency Interest Rate Contract | Net Investment Hedges |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  | $ 90.0 |
Yen | Foreign Exchange Forward | Long | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount | ¥ |  |  |  |  | ¥ 8,666.4 |  |  |  |
Yen | Foreign Exchange Forward | Short | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  | 36.3 | 38.9 |  |  |  |  |
Yen | Cross Currency Interest Rate Contract |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount | ¥ |  |  |  |  |  |  |  |  | ¥ 9,500.0
SGD | Forward Contracts |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount | $ 601.5 | $ 601.5 |  |  |  | $ 601.5 |  |  |
SGD | Foreign Exchange Forward | Long | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount | $ 65.0 | $ 65.0 |  |  |  |  |  |  |
SGD | Foreign Exchange Forward | Short | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  | 37.4 | 8.9 |  |  |  |  |
EUR | Foreign Exchange Forward | Long | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount | € |  |  |  | 37.8 |  |  |  |  |
EUR | Foreign Exchange Forward | Short | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  | $ 46.1 | € 0.0 |  |  |  |  |

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