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BORROWINGS - Repayments on Non-Recourse Borrowings (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Disclosure of detailed information about borrowings [line items]    
Debt in breach of asset-level financial covenants   $ 145
Non-recourse borrowings    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings $ 26,567 26,534
Non-recourse borrowings | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 26,736  
Debt in breach of asset-level financial covenants 31  
Non-recourse borrowings | Deferred financing costs and other    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings (169)  
Non-recourse borrowings | 2023 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 2,605  
Non-recourse borrowings | 2024 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 2,727  
Non-recourse borrowings | 2025 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 3,153  
Non-recourse borrowings | 2026 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 4,876  
Non-recourse borrowings | 2027 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 2,941  
Non-recourse borrowings | Thereafter | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 10,434  
Non-recourse borrowings | Utilities    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 8,702 7,951
Non-recourse borrowings | Utilities | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 8,742  
Non-recourse borrowings | Utilities | Deferred financing costs and other    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings (40)  
Non-recourse borrowings | Utilities | 2023 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 632  
Non-recourse borrowings | Utilities | 2024 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 1,361  
Non-recourse borrowings | Utilities | 2025 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 946  
Non-recourse borrowings | Utilities | 2026 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 871  
Non-recourse borrowings | Utilities | 2027 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 893  
Non-recourse borrowings | Utilities | Thereafter | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 4,039  
Non-recourse borrowings | Transport    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 4,924 5,309
Non-recourse borrowings | Transport | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 4,984  
Non-recourse borrowings | Transport | Deferred financing costs and other    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings (60)  
Non-recourse borrowings | Transport | 2023 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 221  
Non-recourse borrowings | Transport | 2024 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 484  
Non-recourse borrowings | Transport | 2025 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 232  
Non-recourse borrowings | Transport | 2026 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 2,637  
Non-recourse borrowings | Transport | 2027 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 654  
Non-recourse borrowings | Transport | Thereafter | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 756  
Non-recourse borrowings | Midstream    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 9,021 9,490
Non-recourse borrowings | Midstream | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 8,916  
Non-recourse borrowings | Midstream | Deferred financing costs and other    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 105  
Non-recourse borrowings | Midstream | 2023 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 1,507  
Non-recourse borrowings | Midstream | 2024 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 685  
Non-recourse borrowings | Midstream | 2025 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 1,175  
Non-recourse borrowings | Midstream | 2026 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 861  
Non-recourse borrowings | Midstream | 2027 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 1,101  
Non-recourse borrowings | Midstream | Thereafter | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 3,587  
Non-recourse borrowings | Data    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 3,920 $ 3,784
Non-recourse borrowings | Data | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 4,094  
Non-recourse borrowings | Data | Deferred financing costs and other    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings (174)  
Non-recourse borrowings | Data | 2023 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 245  
Non-recourse borrowings | Data | 2024 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 197  
Non-recourse borrowings | Data | 2025 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 800  
Non-recourse borrowings | Data | 2026 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 507  
Non-recourse borrowings | Data | 2027 | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings 293  
Non-recourse borrowings | Data | Thereafter | Gross    
Disclosure of detailed information about borrowings [line items]    
Non-recourse borrowings $ 2,052