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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Notional Principal or Quantity Information (Details) - Jun. 30, 2019 € in Millions, ¥ in Millions, £ in Millions, MMBbls in Millions, $ in Millions, $ in Millions, Bcf in Billions | CAD ($) MWh Bcf MMBbls | GBP (£) MWh Bcf MMBbls | EUR (€) MWh Bcf MMBbls | USD ($) MWh Bcf MMBbls | JPY (¥) MWh Bcf MMBbls
--- | --- | --- | --- | --- | ---
Foreign exchange contracts - forwards - purchase | United States dollar |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |
2019 |  |  |  | $ 878 |
2020 |  |  |  | 1 |
Foreign exchange contracts - forwards - purchase | Euro |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |
2019 | € |  |  | € 133 |  |
Foreign exchange contracts - forwards - purchase | Japanese yen |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |
2022 | ¥ |  |  |  |  | ¥ 72,500
Foreign exchange contracts - forwards - sell | United States dollar |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |
2019 |  |  |  | 2,422 |
2020 |  |  |  | 4,893 |
2021 |  |  |  | 3,608 |
2022 |  |  |  | 2,422 |
2023 |  |  |  | 1,804 |
Thereafter |  |  |  | $ 1,856 |
Foreign exchange contracts - forwards - sell | GBP |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |
2019 | £ |  | £ 12 |  |  |
2020 | £ |  | 94 |  |  |
2021 | £ |  | 27 |  |  |
2022 | £ |  | 28 |  |  |
2023 | £ |  | 29 |  |  |
Thereafter | £ |  | £ 120 |  |  |
Foreign exchange contracts - forwards - sell | Euro |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |
2020 | € |  |  | 23 |  |
2021 | € |  |  | 94 |  |
2022 | € |  |  | 94 |  |
2023 | € |  |  | 92 |  |
Thereafter | € |  |  | € 606 |  |
Interest rate contracts - short-term borrowings |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |
2019 | $ 4,371 |  |  |  |
2020 | 6,115 |  |  |  |
2021 | 4,098 |  |  |  |
2022 | 402 |  |  |  |
2023 | 48 |  |  |  |
Thereafter | 156 |  |  |  |
Interest rate contracts - long-term debt pay fixed rate |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |
2019 | 2,497 |  |  |  |
2020 | 3,100 |  |  |  |
2021 | 1,573 |  |  |  |
Equity contracts |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |
2019 | 29 |  |  |  |
2020 | 20 |  |  |  |
2021 | $ 34 |  |  |  |
Commodity contracts | Natural gas |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |
2019 | Bcf | (44) | (44) | (44) | (44) | (44)
2020 | Bcf | (14) | (14) | (14) | (14) | (14)
2021 | Bcf | 8 | 8 | 8 | 8 | 8
2022 | Bcf | 14 | 14 | 14 | 14 | 14
2023 | Bcf | 3 | 3 | 3 | 3 | 3
Commodity contracts | Crude oil |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |
2019 | MMBbls | 10 | 10 | 10 | 10 | 10
2020 | MMBbls | 3 | 3 | 3 | 3 | 3
Commodity contracts | Power |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |
2019 | MWh | 98 | 98 | 98 | 98 | 98
2020 | MWh | 80 | 80 | 80 | 80 | 80
2021 | MWh | (3) | (3) | (3) | (3) | (3)
2022 | MWh | (43) | (43) | (43) | (43) | (43)
2023 | MWh | (43) | (43) | (43) | (43) | (43)
Thereafter | MWh | (43) | (43) | (43) | (43) | (43)

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