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PARTNERSHIP CAPITAL - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 31, 2022 | Jan. 21, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Schedule of Partnership Units [Line Items] |  |  |  |  |  |  |
Partnership units issued |  |  | $ 2 | $ 4 | $ 8 | $ 8 |
Preferred unitholders capital | Series 7 Preferred Units |  |  |  |  |  |  |
Schedule of Partnership Units [Line Items] |  |  |  |  |  |  |
Partnership units issued | $ 243 |  |  |  |  |  |
Losses on redemption of equity instruments | $ 23 |  |  |  |  |  |
Limited partners’ capital | Limited partners’ capital |  |  |  |  |  |  |
Schedule of Partnership Units [Line Items] |  |  |  |  |  |  |
Weighted average number of shares outstanding (in shares) |  |  | 458,700,000 | 458,000,000 | 458,500,000 | 458,000,000 |
Stock issued during period, dividend reinvestment plan (in shares) |  |  |  |  | 300,000 | 200,000 |
Dividend reinvestment plan, proceeds |  |  |  |  | $ 8 | $ 8 |
Number of shares issued (in shares) |  |  |  |  | 262,603 |  | 338,953
Limited partners’ capital | Non-controlling Interest - Exchange LP Units, equity |  |  |  |  |  |  |
Schedule of Partnership Units [Line Items] |  |  |  |  |  |  |
Exchange LP unit conversion, shares (in shares) |  |  |  |  | 100,000 | 100,000 |
Conversions |  |  |  |  | $ (3) | $ 2 | $ (7)
Exchange LP unit conversion, value |  |  |  |  | $ 2 |  |
Conversions (in shares) |  |  |  |  | (220,681) |  | (550,213)
Limited partners’ capital | Non-controlling interest – BIPC exchangeable shares |  |  |  |  |  |  |
Schedule of Partnership Units [Line Items] |  |  |  |  |  |  |
Conversions |  |  |  |  | $ 1 | $ 1 | $ 2
Conversions (in shares) |  |  |  |  | 116,159 | 100,000 | 410,131
Limited partners’ capital | General Partner |  |  |  |  |  |  |
Schedule of Partnership Units [Line Items] |  |  |  |  |  |  |
Weighted average number of shares outstanding (in shares) |  |  |  |  | 2,400,000 | 2,400,000 |
Limited partners’ capital | Non-controlling Interest - Exchange BIPC LP Units, equity |  |  |  |  |  |  |
Schedule of Partnership Units [Line Items] |  |  |  |  |  |  |
Conversions |  |  |  |  |  | $ 4 |
Exchange LP unit conversion, value |  |  |  |  | $ 1 |  |
Conversions (in shares) |  |  |  |  | 100,000 | 300,000 |
Perpetual subordinated notes |  |  |  |  |  |  |
Schedule of Partnership Units [Line Items] |  |  |  |  |  |  |
Number of shares issued (in shares) |  | 12,000,000 |  |  | 0 |  | 293,000,000
Shares issued during period, price per share (dollars per share) |  | $ 25 |  |  |  |  |
Preferred stock, dividend rate |  | 5.125% |  |  |  |  |
Partnership units issued |  | $ 293 |  |  |  |  |

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