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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Notional Principal or Quantity Information (Details) € in Millions, ¥ in Millions, £ in Millions, MWh in Millions, MMBbls in Millions, Bcf in Millions, $ in Millions, $ in Millions | Dec. 31, 2022 USD ($) MWh MMBbls Bcf | Dec. 31, 2022 GBP (£) MWh MMBbls Bcf | Dec. 31, 2022 EUR (€) MWh MMBbls Bcf | Dec. 31, 2022 JPY (¥) MWh MMBbls Bcf | Dec. 31, 2022 CAD ($) MWh MMBbls Bcf | Dec. 31, 2021 USD ($) MWh MMBbls Bcf | Dec. 31, 2021 GBP (£) MWh MMBbls Bcf | Dec. 31, 2021 EUR (€) MWh MMBbls Bcf | Dec. 31, 2021 JPY (¥) MWh MMBbls Bcf | Dec. 31, 2021 CAD ($) MWh MMBbls Bcf
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Foreign exchange contracts - United States dollar or GBP or Japanese yen forwards - purchase |  |  |  |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |  |  |  |
2023 | $ 655 |  |  | ¥ 0 |  |  |  |  |  |
2024 | 1,000 |  |  | 0 |  |  |  |  |  |
2025 | 500 |  |  | 84,800 |  |  |  |  |  |
2026 | 0 |  |  | 0 |  |  |  |  |  |
2027 | 0 |  |  | 0 |  |  |  |  |  |
Thereafter | 0 |  |  | 0 |  |  |  |  |  |
Total notional principal | 2,155 |  |  | ¥ 84,800 |  | $ 2,508 |  |  | ¥ 72,500 |
Foreign exchange contracts - United States dollar or GBP forwards - sell |  |  |  |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |  |  |  |
2023 | 8,297 | £ 29 | € 92 |  |  |  |  |  |  |
2024 | 6,386 | 30 | 91 |  |  |  |  |  |  |
2025 | 4,613 | 30 | 86 |  |  |  |  |  |  |
2026 | 4,121 | 28 | 85 |  |  |  |  |  |  |
2027 | 2,837 | 32 | 81 |  |  |  |  |  |  |
Thereafter | 1,356 | 0 | 262 |  |  |  |  |  |  |
Total notional principal | $ 27,610 | £ 149 | € 697 |  |  | $ 25,427 | £ 177 | € 801 |  |
Interest rate contracts - short-term borrowings |  |  |  |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |  |  |  |
2023 |  |  |  |  | $ 8,698 |  |  |  |  |
2024 |  |  |  |  | 538 |  |  |  |  |
2025 |  |  |  |  | 30 |  |  |  |  |
2026 |  |  |  |  | 26 |  |  |  |  |
2027 |  |  |  |  | 25 |  |  |  |  |
Thereafter |  |  |  |  | 39 |  |  |  |  |
Total notional principal |  |  |  |  | 9,356 |  |  |  |  | $ 597
Interest rate contract - long term debt - Pay Fixed Rate |  |  |  |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |  |  |  |
2023 |  |  |  |  | 5,496 |  |  |  |  |
2024 |  |  |  |  | 1,766 |  |  |  |  |
2025 |  |  |  |  | 589 |  |  |  |  |
2026 |  |  |  |  | 0 |  |  |  |  |
2027 |  |  |  |  | 0 |  |  |  |  |
Thereafter |  |  |  |  | 0 |  |  |  |  |
Total notional principal |  |  |  |  | 7,851 |  |  |  |  | 5,279
Equity contracts |  |  |  |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |  |  |  |
2023 |  |  |  |  | 37 |  |  |  |  |
2024 |  |  |  |  | 31 |  |  |  |  |
2025 |  |  |  |  | 12 |  |  |  |  |
2026 |  |  |  |  | 0 |  |  |  |  |
2027 |  |  |  |  | 0 |  |  |  |  |
Thereafter |  |  |  |  | 0 |  |  |  |  |
Total notional principal |  |  |  |  | $ 80 |  |  |  |  | $ 67
Commodity contracts | Natural gas |  |  |  |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |  |  |  |
2022 notional quantity (in bcf, bbl or mbbl) | Bcf | 52 | 52 | 52 | 52 | 52 |  |  |  |  |
2023 notional quantity (in bcf, bbl or mbbl) | Bcf | 25 | 25 | 25 | 25 | 25 |  |  |  |  |
2024 notional quantity (in bcf, bbl or mbbl) | Bcf | 15 | 15 | 15 | 15 | 15 |  |  |  |  |
2025 notional quantity (in bcf, bbl or mbbl) | Bcf | 1 | 1 | 1 | 1 | 1 |  |  |  |  |
2026 notional quantity (in bcf, bbl or mbbl) | Bcf | 0 | 0 | 0 | 0 | 0 |  |  |  |  |
Thereafter notional quantity (in bcf, bbl or mbbl) | Bcf | 0 | 0 | 0 | 0 | 0 |  |  |  |  |
Total notional quantity (in bcf, bbl or mbbl) | Bcf | 93 | 93 | 93 | 93 | 93 | 199 | 199 | 199 | 199 | 199
Commodity contracts | Crude |  |  |  |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |  |  |  |
2022 notional quantity (in bcf, bbl or mbbl) | MMBbls | 16 | 16 | 16 | 16 | 16 |  |  |  |  |
2023 notional quantity (in bcf, bbl or mbbl) | MMBbls | 0 | 0 | 0 | 0 | 0 |  |  |  |  |
2024 notional quantity (in bcf, bbl or mbbl) | MMBbls | 0 | 0 | 0 | 0 | 0 |  |  |  |  |
2025 notional quantity (in bcf, bbl or mbbl) | MMBbls | 0 | 0 | 0 | 0 | 0 |  |  |  |  |
2026 notional quantity (in bcf, bbl or mbbl) | MMBbls | 0 | 0 | 0 | 0 | 0 |  |  |  |  |
Thereafter notional quantity (in bcf, bbl or mbbl) | MMBbls | 0 | 0 | 0 | 0 | 0 |  |  |  |  |
Total notional quantity (in bcf, bbl or mbbl) | MMBbls | 16 | 16 | 16 | 16 | 16 | 12 | 12 | 12 | 12 | 12
Commodity contracts | Power | Net sell |  |  |  |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |  |  |  |
2022 notional quantity (MW/H) | MWh | 26 | 26 | 26 | 26 | 26 |  |  |  |  |
2023 notional quantity (MW/H) | MWh | (25) | (25) | (25) | (25) | (25) |  |  |  |  |
2024 notional quantity (MW/H) | MWh | (44) | (44) | (44) | (44) | (44) |  |  |  |  |
2025 notional quantity (MW/H) | MWh | 0 | 0 | 0 | 0 | 0 |  |  |  |  |
2026 notional quantity (MW/H) | MWh | 0 | 0 | 0 | 0 | 0 |  |  |  |  |
Thereafter notional quantity (MW/H) | MWh | 0 | 0 | 0 | 0 | 0 |  |  |  |  |
Total notional quantity (MW/H) | MWh | (14) | (14) | (14) | (14) | (14) | (43) | (43) | (43) | (43) | (43)

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