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PARTNERSHIP CAPITAL - Capital Categories (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Changes in equity [abstract] |  |  |  |  |  |  |  |
Balance as |  |  | $ 25,554.0 |  | $ 26,391.0 |  | $ 21,673.0 |
Issue of equity |  |  | 763.0 | [1],[2] | 13.0 | [3] | 2,974.0 | [4]
Repurchased and cancelled | [1] |  | (25.0) |  |  |  |  |
Balance as |  |  | 34,016.0 |  | 25,554.0 |  | 26,391.0 |
Limited Partners 1 |  |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |  |
Balance as |  |  | 5,372.0 |  | 5,702.0 |  | 4,233.0 |
Issue of equity |  |  | 12.0 | [1],[2] | 13.0 | [3] | 545.0 | [4]
Repurchased and cancelled | [1] |  | (25.0) |  |  |  |  |
Balance as |  |  | 5,321.0 |  | 5,372.0 |  | 5,702.0 |
Non-controlling Interest - Redeemable Partnership Units |  |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |  |
Balance as |  |  | 2,263.0 |  | 2,408.0 |  | 1,687.0 |
Issue of equity | [4] |  |  |  |  |  | (400.0) |
Balance as |  |  | 2,190.0 |  | $ 2,263.0 |  | $ 2,408.0 |
Partners' capital |  |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |  |
Repurchased and cancelled |  |  | $ (25.0) |  |  |  |  |
Repurchased and cancelled (in shares) |  |  | 1,000,000 |  | 0 |  | 0 |
Partners' capital | Inter Pipeline |  |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |  |
Issue of equity |  |  |  |  |  |  | $ 1,642.0 |
Issued for cash (in shares) |  |  |  |  |  |  | 38,985,604 |
Partners' capital | Special General Partner |  |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |  |
Balance as |  |  | $ 19.0 |  | $ 19.0 |  | $ 19.0 |
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 |
Balance as |  |  | $ 19.0 |  | $ 19.0 |  | $ 19.0 |
Partners' capital | Limited Partners 1 |  |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |  |
Balance as |  |  | $ 6,092.0 |  | $ 6,074.0 |  | $ 5,526.0 |
Opening balance (in shares) |  |  | 458,380,315 |  | 457,901,280 |  | 443,147,915 |
Issue of equity |  |  | $ 12.0 | [1],[2] | $ 13.0 | [3] | $ 545.0 | [4]
Issued for cash (in shares) |  | 14,200,000 | 416,225 |  | 338,953 |  | 14,564,499 |
Issuance of equity upon conversion, value |  |  | $ 4.0 |  | $ 5.0 |  | $ 3.0 |
Issuance of equity upon conversion, shares (in shares) |  |  | 168,839 |  | 140,082 |  | 188,866 |
Repurchased and cancelled | [1] |  | $ (12.0) |  |  |  |  |
Repurchased and cancelled (in shares) |  |  | 908,674 |  |  |  |  |
Ending balance (in shares) |  |  | 461,343,972 |  | 458,380,315 |  | 457,901,280 |
Number of shares converted (in shares) |  |  | 3,287,267 |  |  |  |  |
Units converted to exchangeable shares, value |  |  | $ (100.0) |  |  |  |  |
Balance as |  |  | 6,196.0 |  | $ 6,092.0 |  | $ 6,074.0 |
Partners' capital | Non-controlling Interest - Redeemable Partnership Units |  |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |  |
Balance as |  |  | $ 2,728.0 |  | $ 2,728.0 |  | $ 2,328.0 |
Opening balance (in shares) |  |  | 193,587,223 |  | 193,587,223 |  | 182,930,702 |
Issue of equity |  | $ 400.0 |  |  |  |  | $ 400.0 |
Issued for cash (in shares) |  | 10,700,000 |  |  |  |  | 10,656,521 |
Ending balance (in shares) |  |  | 190,299,956 |  | 193,587,223 |  | 193,587,223 |
Number of shares converted (in shares) |  |  | 3,287,267 |  |  |  |  |
Units converted to exchangeable shares, value |  |  | $ (100.0) |  |  |  |  |
Balance as |  |  | 2,628.0 |  | $ 2,728.0 |  | $ 2,728.0 |
Partners' capital | Non-controlling interest— BIPC exchangeable shares |  |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |  |
Balance as |  |  | $ 1,757.0 |  | $ 1,755.0 |  | $ (19.0) |
Opening balance (in shares) |  |  | 110,567,671 |  | 110,157,540 |  | 67,441,451 |
Issue of equity |  |  | $ 751.0 |  |  |  | $ 128.0 |
Issued for cash (in shares) |  |  | 21,094,441 |  |  |  | 3,210,037 |
Conversions |  |  | $ 4.0 |  | $ 2.0 |  | $ 4.0 |
Conversions (in shares) |  |  | 209,954 |  | 410,131 |  | 520,448 |
Ending balance (in shares) |  |  | 131,872,066 |  | 110,567,671 |  | 110,157,540 |
Balance as |  |  | $ 2,512.0 |  | $ 1,757.0 |  | $ 1,755.0 |
Partners' capital | Non-controlling Interest - Exchange LP Units, equity |  |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |  |
Balance as |  |  | $ 401.0 |  | $ 408.0 |  | $ 156.0 |
Opening balance (in shares) |  |  | 6,464,819 |  | 7,015,032 |  | 1,611,508 |
Issue of equity |  |  |  |  |  |  | $ 259.0 |
Issuance of BIPC exchangeable LP units (in shares) |  |  |  |  | $ 6,100,000 |  | $ 6,112,838 |
Conversions |  |  | $ (8.0) |  | $ (7.0) |  | $ (7.0) |
Conversions (in shares) |  |  | (378,793) |  | (550,213) |  | (709,314) |
BIPC exchangeable shares |  |  | $ (4.0) |  | $ (5.0) |  | $ (5.0) |
BIPC exchangeable LP converted to BIPC exchangeable (in shares) |  |  | $ (200,000) |  | $ (400,000) |  | $ (600,000) |
Exchange LP conversion (in shares) |  |  | (200,000) |  | (200,000) |  | (100,000) |
Ending balance (in shares) |  |  | 6,086,026 |  | 6,464,819 |  | 7,015,032 |
Exchange LP unit conversion, value |  |  | $ (4.0) |  | $ (2.0) |  | $ (2.0) |
Balance as |  |  | 393.0 |  | 401.0 |  | 408.0 |
Preferred Unitholders Capital |  |  |  |  |  |  |  |
Changes in equity [abstract] |  |  |  |  |  |  |  |
Balance as |  |  | $ 918.0 |  | $ 1,138.0 |  | $ 1,130.0 |
Opening balance (in shares) |  |  | 43,901,312 |  | 55,881,062 |  | 57,867,650 |
Issue of equity |  |  | $ 0.0 |  | $ 0.0 |  | $ 194.0 |
Issued for cash (in shares) |  |  | 0 |  | 0 |  | 8,000,000 |
Ending balance (in shares) |  |  | 43,901,312 |  | 43,901,312 |  | 55,881,062 |
Repurchased and cancelled |  |  | $ 0.0 |  | $ (220.0) |  | $ (186.0) |
Balance as |  |  | $ 918.0 |  | $ 918.0 |  | $ 1,138.0 |
[1] | Refer to Note 27, Partnership Capital.
[2] | Refer to Note 6, Acquisition of Businesses
[3] | Refer to Note 27, Partnership Capital.
[4] | Refer to Note 27, Partnership Capital.

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