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EQUITY ACCOUNTED INVESTMENTS - Schedule Of Current And Non-Current Assets And Liabilities Of Investments In Associates And Joint Ventures (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | $ 18,920 | $ 14,965
Non-current assets | 197,862 | 170,348
Current liabilities | 16,933 | 13,784
Non-current liabilities | 101,007 | 81,211
Renewable Power |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 2,763 | 1,355
Non-current assets | 12,675 | 7,492
Current liabilities | 2,546 | 635
Non-current liabilities | 6,811 | 3,307
Other [Member] |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 2,631 | 210
Non-current assets | 10,840 | 790
Current liabilities | 1,773 | 67
Non-current liabilities | 8,825 | 178
Oaktree [Member] |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 2,136 | 2,253
Non-current assets | 20,351 | 17,056
Current liabilities | 1,936 | 2,146
Non-current liabilities | 9,229 | 7,487
LP Investments and Other [Member] | Real Estate |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 17 | 21
Non-current assets | 1,070 | 1,207
Current liabilities | 19 | 42
Non-current liabilities | 757 | 958
Other [Member] | Infrastructure |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 30 | 34
Non-current assets | 321 | 356
Current liabilities | 20 | 32
Non-current liabilities | 84 | 143
Other [Member] | Private Equity |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 1,946 | 2,077
Non-current assets | 9,162 | 9,303
Current liabilities | 1,206 | 1,357
Non-current liabilities | 7,217 | 6,697
Data [Member] | Infrastructure |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 1,054 | 841
Non-current assets | 13,394 | 13,308
Current liabilities | 1,727 | 1,263
Non-current liabilities | 6,284 | 6,081
Transport | Infrastructure |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 1,325 | 1,223
Non-current assets | 24,322 | 25,078
Current liabilities | 2,160 | 1,929
Non-current liabilities | 12,981 | 9,538
Utilities [Member] | Infrastructure |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 359 | 646
Non-current assets | 5,723 | 6,142
Current liabilities | 444 | 487
Non-current liabilities | 3,738 | 4,238
Industrial products [Member] | Private Equity |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 1,421 | 1,096
Non-current assets | 1,169 | 736
Current liabilities | 640 | 505
Non-current liabilities | 330 | 222
Core office | Real Estate |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 1,985 | 2,496
Non-current assets | 39,322 | 36,668
Current liabilities | 2,272 | 3,485
Non-current liabilities | 17,787 | 17,107
LP Investments and Other [Member] | Real Estate |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 1,854 | 1,279
Non-current assets | 19,622 | 12,288
Current liabilities | 1,214 | 903
Non-current liabilities | 9,164 | 7,290
Other [Member] | Infrastructure |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 32 | 43
Non-current assets | 115 | 685
Current liabilities | 12 | 30
Non-current liabilities | 63 | 299
Energy [Member] | Infrastructure |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 197 | 161
Non-current assets | 6,097 | 6,157
Current liabilities | 215 | 230
Non-current liabilities | 4,003 | 3,945
Core | Real Estate |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Current assets | 1,170 | 1,230
Non-current assets | 33,679 | 33,082
Current liabilities | 749 | 673
Non-current liabilities | $ 13,734 | $ 13,721

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