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FAIR VALUE OF FINANCIAL INSTRUMENTS - Carrying and Fair Value of Financial Instruments (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
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Disclosure of financial assets [line items] |  |
Financial assets, carrying | $ 10,762 | $ 10,596
Financial assets, fair value | 10,762 | 10,596
Financial liabilities, carrying | 65,040 | 63,355
Financial liabilities, fair value | 59,763 | 58,065
Financial liabilities and other liabilities, excluding lease liabilities | 59,957 | 58,238
Preferred shares | 20 | 20
Corporate borrowings |  |
Disclosure of financial assets [line items] |  |
Financial liabilities, carrying | 4,988 | 4,542
Financial liabilities, fair value | 4,964 | 4,533
Non-recourse borrowings |  |
Disclosure of financial assets [line items] |  |
Financial liabilities, carrying | 47,640 | 46,552
Financial liabilities, fair value | 47,470 | 46,388
Accounts payable and other (current and non-current) |  |
Disclosure of financial assets [line items] |  |
Financial liabilities, carrying | 4,142 | 4,344
Financial liabilities, fair value | 4,142 | 4,344
Financial liabilities (current and non-current) |  |
Disclosure of financial assets [line items] |  |
Financial liabilities, carrying | 3,167 | 2,780
Financial liabilities, fair value | 3,167 | 2,780
Preferred shares |  |
Disclosure of financial assets [line items] |  |
Financial liabilities, carrying | 20 | 20
Financial liabilities, fair value | 20 | 20
Cash and cash equivalents |  |
Disclosure of financial assets [line items] |  |
Financial assets, carrying | 2,342 | 2,071
Financial assets, fair value | 2,342 | 2,071
Accounts receivable and other |  |
Disclosure of financial assets [line items] |  |
Financial assets, carrying | 7,622 | 7,130
Financial assets, fair value | 7,622 | 7,130
Financial assets (current and non-current) |  |
Disclosure of financial assets [line items] |  |
Financial assets, carrying | 798 | 1,395
Financial assets, fair value | $ 798 | $ 1,395

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