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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance $ 34,016 $ 25,554 $ 26,391
Other comprehensive income (loss) 261 879 148
Issue of equity 11 [1] 763 [2],[3] 13 [4]
Ending balance 29,853 34,016 25,554
Limited Partners | Accumulated Other Comprehensive Income      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 676 481  
Other comprehensive income (loss) 102 219  
Issue of equity   (5)  
Other items   (19)  
Ending balance 778 676 481
Limited Partners | Revaluation Surplus      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 903 774  
Other comprehensive income (loss) 264 144  
Issue of equity   (15)  
Other items   0  
Ending balance 1,167 903 774
Limited Partners | Foreign Currency Translation      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance (1,515) (1,741)  
Other comprehensive income (loss) (419) 190  
Issue of equity   36  
Other items   0  
Ending balance (1,934) (1,515) (1,741)
Limited Partners | Net Investment Hedges      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 101 115  
Other comprehensive income (loss) 23 (12)  
Issue of equity   (2)  
Other items   0  
Ending balance 124 101 115
Limited Partners | Cash Flow Hedges      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 36 87  
Other comprehensive income (loss) 17 (48)  
Issue of equity   (3)  
Other items   0  
Ending balance 53 36 87
Limited Partners | Marketable Securities      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 122 125  
Other comprehensive income (loss) 0 0  
Issue of equity   (3)  
Other items   0  
Ending balance 122 122 125
Limited Partners | Unrealized Actuarial (Losses) Gains      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance (1) 3  
Other comprehensive income (loss) 6 (3)  
Issue of equity   (1)  
Other items   0  
Ending balance 5 (1) 3
Limited Partners | Equity accounted investments      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 1,030 1,118  
Other comprehensive income (loss) 211 (52)  
Issue of equity   (17)  
Other items   (19)  
Ending balance 1,241 1,030 1,118
General Partner      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 28 27 31
Other comprehensive income (loss) 1 2  
Ending balance 27 28 27
General Partner | Accumulated Other Comprehensive Income      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 4 2  
Other comprehensive income (loss) 1 2  
Issue of equity   0  
Ending balance 5 4 2
General Partner | Revaluation Surplus      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 5 4  
Other comprehensive income (loss) 1 1  
Issue of equity   0  
Ending balance 6 5 4
General Partner | Foreign Currency Translation      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance (9) (9)  
Other comprehensive income (loss) (2) 1  
Issue of equity   (1)  
Ending balance (11) (9) (9)
General Partner | Net Investment Hedges      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 1 0  
Other comprehensive income (loss) 0 0  
Issue of equity   1  
Ending balance 1 1 0
General Partner | Cash Flow Hedges      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 0 0  
Other comprehensive income (loss) 0 0  
Issue of equity   0  
Ending balance 0 0 0
General Partner | Marketable Securities      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 1 1  
Other comprehensive income (loss) 0 0  
Issue of equity   0  
Ending balance 1 1 1
General Partner | Unrealized Actuarial (Losses) Gains      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 0 0  
Other comprehensive income (loss) 0 0  
Issue of equity   0  
Ending balance 0 0 0
General Partner | Equity accounted investments      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 6 6  
Other comprehensive income (loss) 2 0  
Issue of equity   0  
Ending balance 8 6 6
Non-controlling Interest - Redeemable Partnership Units      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 2,190 2,263 2,408
Other comprehensive income (loss) 42 90 107
Ending balance 1,926 2,190 2,263
Non-controlling Interest - Redeemable Partnership Units | Accumulated Other Comprehensive Income      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 277 210  
Other comprehensive income (loss) 42 90  
Issue of equity   (14)  
Other items   (9)  
Ending balance 319 277 210
Non-controlling Interest - Redeemable Partnership Units | Revaluation Surplus      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 372 326  
Other comprehensive income (loss) 109 60  
Issue of equity   (14)  
Other items   0  
Ending balance 481 372 326
Non-controlling Interest - Redeemable Partnership Units | Foreign Currency Translation      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance (624) (726)  
Other comprehensive income (loss) (173) 79  
Issue of equity   23  
Other items   0  
Ending balance (797) (624) (726)
Non-controlling Interest - Redeemable Partnership Units | Net Investment Hedges      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 41 49  
Other comprehensive income (loss) 9 (6)  
Issue of equity   (2)  
Other items   0  
Ending balance 50 41 49
Non-controlling Interest - Redeemable Partnership Units | Cash Flow Hedges      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 15 36  
Other comprehensive income (loss) 7 (20)  
Issue of equity   (1)  
Other items   0  
Ending balance 22 15 36
Non-controlling Interest - Redeemable Partnership Units | Marketable Securities      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 50 53  
Other comprehensive income (loss) 0 0  
Issue of equity   (3)  
Other items   0  
Ending balance 50 50 53
Non-controlling Interest - Redeemable Partnership Units | Unrealized Actuarial (Losses) Gains      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 0 (1)  
Other comprehensive income (loss) 3 (1)  
Issue of equity   2  
Other items   0  
Ending balance 3 0 (1)
Non-controlling Interest - Redeemable Partnership Units | Equity accounted investments      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 423 473  
Other comprehensive income (loss) 87 (22)  
Issue of equity   (19)  
Other items   (9)  
Ending balance 510 423 473
Non-controlling interest— BIPC exchangeable shares and class A.2 exchangeable shares | Accumulated Other Comprehensive Income      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 195 118  
Other comprehensive income (loss) 28 62  
Issue of equity   19  
Other items   (4)  
Ending balance 223 195 118
Non-controlling interest— BIPC exchangeable shares and class A.2 exchangeable shares | Revaluation Surplus      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 257 186  
Other comprehensive income (loss) 75 41  
Issue of equity   30  
Other items   0  
Ending balance 332 257 186
Non-controlling interest— BIPC exchangeable shares and class A.2 exchangeable shares | Foreign Currency Translation      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance (424) (415)  
Other comprehensive income (loss) (120) 55  
Issue of equity   (64)  
Other items   0  
Ending balance (544) (424) (415)
Non-controlling interest— BIPC exchangeable shares and class A.2 exchangeable shares | Net Investment Hedges      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 29 28  
Other comprehensive income (loss) 7 (3)  
Issue of equity   4  
Other items   0  
Ending balance 36 29 28
Non-controlling interest— BIPC exchangeable shares and class A.2 exchangeable shares | Cash Flow Hedges      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 10 20  
Other comprehensive income (loss) 5 (14)  
Issue of equity   4  
Other items   0  
Ending balance 15 10 20
Non-controlling interest— BIPC exchangeable shares and class A.2 exchangeable shares | Marketable Securities      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 35 30  
Other comprehensive income (loss) 0 0  
Issue of equity   5  
Other items   0  
Ending balance 35 35 30
Non-controlling interest— BIPC exchangeable shares and class A.2 exchangeable shares | Unrealized Actuarial (Losses) Gains      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance (1) 1  
Other comprehensive income (loss) 2 (1)  
Issue of equity   (1)  
Other items   0  
Ending balance 1 (1) 1
Non-controlling interest— BIPC exchangeable shares and class A.2 exchangeable shares | Equity accounted investments      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 289 268  
Other comprehensive income (loss) 59 (16)  
Issue of equity   41  
Other items   (4)  
Ending balance 348 289 268
Non-controlling Interest - Exchange LP Units, equity | Accumulated Other Comprehensive Income      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 9 6  
Other comprehensive income (loss) 1 3  
Issue of equity   0  
Ending balance 10 9 6
Non-controlling Interest - Exchange LP Units, equity | Revaluation Surplus      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 12 11  
Other comprehensive income (loss) 3 2  
Issue of equity   (1)  
Ending balance 15 12 11
Non-controlling Interest - Exchange LP Units, equity | Foreign Currency Translation      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance (18) (28)  
Other comprehensive income (loss) (4) 1  
Issue of equity   9  
Ending balance (22) (18) (28)
Non-controlling Interest - Exchange LP Units, equity | Net Investment Hedges      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 1 2  
Other comprehensive income (loss) 0 0  
Issue of equity   (1)  
Ending balance 1 1 2
Non-controlling Interest - Exchange LP Units, equity | Cash Flow Hedges      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 0 1  
Other comprehensive income (loss) 0 (1)  
Issue of equity   0  
Ending balance 0 0 1
Non-controlling Interest - Exchange LP Units, equity | Marketable Securities      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 1 1  
Other comprehensive income (loss) 0 0  
Issue of equity   0  
Ending balance 1 1 1
Non-controlling Interest - Exchange LP Units, equity | Unrealized Actuarial (Losses) Gains      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 0 0  
Other comprehensive income (loss) 0 0  
Issue of equity   0  
Ending balance 0 0 0
Non-controlling Interest - Exchange LP Units, equity | Equity accounted investments      
Disclosure of analysis of other comprehensive income by item [line items]      
Beginning balance 13 19  
Other comprehensive income (loss) 2 1  
Issue of equity   (7)  
Ending balance $ 15 $ 13 $ 19
[1] Refer to Note 28, Partnership Capital.
[2] Refer to Note 28, Partnership Capital.
[3] Refer to Note 7, Acquisition of Businesses
[4] Refer to Note 28, Partnership Capital.