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PARTNERSHIP CAPITAL - Capital Categories (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Changes in equity [abstract] |  |  |  |  |  |  |
Beginning balance |  | $ 34,016 |  | $ 25,554 |  | $ 26,391 |
Issue of equity |  | 11 | [1] | 763 | [2],[3] | 13 | [4]
Repurchased and cancelled | [2] |  |  | (25) |  |  |
Ending balance |  | 29,853 |  | 34,016 |  | 25,554 |
Non-controlling Interest - Redeemable Partnership Units |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |
Beginning balance |  | 2,190 |  | 2,263 |  | 2,408 |
Ending balance |  | 1,926 |  | $ 2,190 |  | $ 2,263 |
Partners' capital |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |
Repurchased and cancelled (in shares) |  |  |  | (25,000,000) |  | 0 |
Partners' capital | Special General Partner |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |
Beginning balance |  | $ 19 |  | $ 19 |  | $ 19 |
Opening balance (in shares) |  | 2,400,631 |  | 2,400,631 |  | 2,400,631 |
Ending balance (in shares) |  | 2,400,631 |  | 2,400,631 |  | 2,400,631 |
Ending balance |  | $ 19 |  | $ 19 |  | $ 19 |
Partners' capital | Limited Partners 1 |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |
Beginning balance |  | $ 6,196 |  | $ 6,092 |  | $ 6,074 |
Opening balance (in shares) |  | 461,343,972 |  | 458,380,315 |  | 457,901,280 |
Issue of equity |  | $ 11 |  | $ 12 |  | $ 13 |
Issued for cash (in shares) |  | 343,347 |  | 416,225 |  | 338,953 |
Issuance of equity upon conversion, value |  | $ 3 |  | $ 4 |  | $ 5 |
Issuance of equity upon conversion, shares (in shares) |  | 168,031 |  | 168,839 |  | 140,082 |
Repurchased and cancelled |  | $ 0 |  | $ (12) |  | $ 0 |
Repurchased and cancelled (in shares) |  | 0 |  | (908,674) |  | 0 |
Ending balance (in shares) |  | 461,855,350 |  | 461,343,972 |  | 458,380,315 |
Number of shares converted (in shares) |  | 0 |  | 3,287,267 |  | 0 |
Units converted to exchangeable shares, value |  | $ 0 |  | $ (100) |  | $ 0 |
Ending balance |  | 6,210 |  | 6,196 |  | 6,092 |
Partners' capital | Non-controlling Interest - Redeemable Partnership Units |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |
Beginning balance |  | $ 2,628 |  | $ 2,728 |  | $ 2,728 |
Opening balance (in shares) |  | 190,299,956 |  | 193,587,223 |  | 193,587,223 |
Ending balance (in shares) |  | 190,299,956 |  | 190,299,956 |  | 193,587,223 |
Number of shares converted (in shares) |  | 0 |  | 3,287,267 |  | 0 |
Units converted to exchangeable shares, value |  | $ 0 |  | $ (100) |  | $ 0 |
Ending balance |  | 2,628 |  | 2,628 |  | 2,728 |
Partners' capital | Non-controlling interest— BIPC exchangeable shares and class A.2 exchangeable shares |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |
Beginning balance |  | $ 2,512 |  | $ 1,757 |  | $ 1,755 |
Opening balance (in shares) |  | 131,872,066 |  | 110,567,671 |  | 110,157,540 |
Conversions |  | $ 2 |  | $ 4 |  | $ 2 |
Conversions (in shares) |  | 179,843 |  | 209,954 |  | 410,131 |
Ending balance (in shares) |  | 132,051,909 |  | 131,872,066 |  | 110,567,671 |
Ending balance |  | $ 2,514 |  | $ 2,512 |  | $ 1,757 |
Partners' capital | Non-controlling interest— BIPC exchangeable shares and class A.2 exchangeable shares | Triton International Limited |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |
Issue of equity |  | $ 0 |  | $ 751 |  | $ 0 |
Issued for cash (in shares) |  | 0 |  | 21,094,441 |  | 0 |
Partners' capital | Non-controlling Interest - Exchange LP Units, equity |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |
Beginning balance |  | $ 393 |  | $ 401 |  | $ 408 |
Opening balance (in shares) |  | 6,086,026 |  | 6,464,819 |  | 7,015,032 |
Conversions |  | $ (5) |  | $ (8) |  | $ (7) |
Conversions (in shares) |  | (347,874) |  | (378,793) |  | (550,213) |
BIPC exchangeable shares |  | $ (3) |  | $ (4) |  | $ (5) |
Exchange LP conversion (in shares) |  | (100,000) |  | (200,000) |  | (200,000) |
Ending balance (in shares) |  | 5,738,152 |  | 6,086,026 |  | 6,464,819 |
Exchange LP unit conversion, value |  | $ (2) |  | $ (4) |  | $ (2) |
Ending balance |  | 388 |  | 393 |  | 401 |
Preferred Unitholders Capital |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |
Beginning balance |  | $ 918 |  | $ 918 |  | $ 1,138 |
Opening balance (in shares) |  | 43,901,312 |  | 43,901,312 |  | 55,881,062 |
Repurchased and cancelled (in shares) |  | 0 |  | 0 |  | (11,979,750) |
Ending balance (in shares) |  | 43,901,312 |  | 43,901,312 |  | 43,901,312 |
Repurchased and cancelled |  | $ 0 |  | $ 0 |  | $ (220) |
Ending balance |  | $ 918 |  | $ 918 |  | $ 918 |
[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.

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