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CAPITAL MANAGEMENT - Invested Capital (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023
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Disclosure of Capital Management [Abstract] |  |  |  |  |  |
Total partnership capital | $ 29,649 | $ 29,775 | $ 29,853 | $ 30,109 | $ 32,623 | $ 34,016
Non-controlling interest - in operating subsidiaries | (20,909) |  | (20,568) |  |  |
Deficit | 6,284 |  | 5,674 |  |  |
Accumulated other comprehensive income | (1,505) |  | (1,335) |  |  |
Ownership changes | (653) |  | (653) |  |  |
Invested Capital | $ 12,866 | $ 12,973 | $ 12,971 | $ 13,038 | $ 13,035 | $ 13,032

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