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PARTNERSHIP CAPITAL - Additional Information (Details)
 1 Months Ended 2 Months Ended 6 Months Ended 12 Months Ended
Sep. 28, 2023
USD ($)
shares
Jun. 10, 2022
Sep. 30, 2021
USD ($)
shares
Jan. 21, 2021
USD ($)
$ / shares
shares
Sep. 30, 2023
USD ($)
shares
Nov. 30, 2021
USD ($)
shares
Oct. 31, 2021
USD ($)
Sep. 30, 2021
USD ($)
Jun. 30, 2023
$ / shares
Dec. 31, 2023
USD ($)
day
transaction
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Feb. 01, 2024
$ / shares
Mar. 31, 2022
Nov. 01, 2021
shares
Oct. 01, 2021
shares
Aug. 01, 2021
shares
Apr. 21, 2021
Mar. 31, 2020
shares
Schedule of Partnership Units [Line Items]                                      
Partnership capital, stock split, conversion ratio   1.5                                  
Share issue related cost           $ 6,000,000                          
Repurchased and cancelled [1]                   $ 25,000,000                  
Volume weighted average of trading price, number of trading days | day                   5                  
Basic earnings (loss) per share (in dollars per unit) | $ / shares [2]                   $ 0.14 $ 0.14 $ 1.16              
Diluted earnings (loss) per share (in dollars per unit) | $ / shares [2]                   $ 0.14 $ 0.14 $ 1.16              
Exchangeable shares issued as a result of special distribution | shares 21,000,000                           3,200,000 12,100,000 26,900,000   69,500,000
Exchange ratio                           1       1  
Issuance of BIPC exchangeable shares $ 751,000,000         $ 134,000,000 $ 502,000,000 $ 1,140,000,000                      
Issue of equity                   $ 763,000,000 [1],[3] $ 13,000,000 [4] $ 2,974,000,000 [5]              
Potential ordinary share transactions [member]                                      
Schedule of Partnership Units [Line Items]                                      
Quarterly distribution (usd per share) | $ / shares                         $ 0.405            
Quarterly distribution rate (as a percent)                         6.00%            
Brookfield Infrastructure Partners                                      
Schedule of Partnership Units [Line Items]                                      
Classes of partnership units | transaction                   3                  
Holding LP                                      
Schedule of Partnership Units [Line Items]                                      
Classes of partnership units | transaction                   4                  
Partners' capital                                      
Schedule of Partnership Units [Line Items]                                      
Repurchased (in shares) (2023: less than) | shares                   1,000,000 0 0              
Repurchased and cancelled                   $ 25,000,000                  
Share repurchase related cost (2023: less than)                   $ 1,000,000 $ 0 $ 0              
Preferred Unitholders Capital                                      
Schedule of Partnership Units [Line Items]                                      
Issued for cash (in shares) | shares                   0 0 8,000,000              
Issue of equity                   $ 0 $ 0 $ 194,000,000              
Repurchased and cancelled (in shares) | shares                   0 (11,979,750) (9,986,588)              
Repurchased and cancelled                   $ 0 $ (220,000,000) $ (186,000,000)              
Preferred Unitholders Capital | Series 5 Preferred Units                                      
Schedule of Partnership Units [Line Items]                                      
Losses on redemption                     23,000,000                
Repurchased and cancelled (in shares) | shares     (20,000,000)                                
Repurchased and cancelled                     (243,000,000)                
Preferred Unitholders Capital | Series 14 Preferred Units                                      
Schedule of Partnership Units [Line Items]                                      
Issued for cash (in shares) | shares       8,000,000                              
Shares issued, price per share (usd per share) | $ / shares       $ 25                              
Partnership units repurchased, net of costs and issuances     $ 206,000,000 $ 200,000,000                              
Quarterly fixed distribution rate       5.00%                              
Underwriting related cost       $ 6,000,000                              
Special General Partner                                      
Schedule of Partnership Units [Line Items]                                      
Partnership distributions                   $ 266,000,000 $ 240,000,000 $ 206,000,000              
Special General Partner | Partners' capital                                      
Schedule of Partnership Units [Line Items]                                      
Weighted average number of shares outstanding (in shares) | shares                   2,400,000 2,400,000 2,400,000              
Non-controlling Interest - Redeemable Partnership Units                                      
Schedule of Partnership Units [Line Items]                                      
Issue of equity [5]                       $ (400,000,000)              
Non-controlling Interest - Redeemable Partnership Units | Partners' capital                                      
Schedule of Partnership Units [Line Items]                                      
Number of shares issued (in shares) | shares         3,287,267                            
Issued for cash (in shares) | shares           10,700,000           10,656,521              
Weighted average number of shares outstanding (in shares) | shares                   192,700,000 193,600,000 184,200,000              
Units converted to exchangeable shares, value                   $ (100,000,000)                  
Issue of equity           $ 400,000,000           $ 400,000,000              
Non-controlling Interest - Redeemable Partnership Units | Partners' capital | Brookfield Infrastructure Partners                                      
Schedule of Partnership Units [Line Items]                                      
Number of shares issued (in shares) | shares         3,287,267                            
Non-controlling Interest - Redeemable Partnership Units | Partners' capital | Holding LP                                      
Schedule of Partnership Units [Line Items]                                      
Number of shares issued (in shares) | shares                   190,300,000                  
Limited Partners 1                                      
Schedule of Partnership Units [Line Items]                                      
Repurchased and cancelled [1]                   $ 25,000,000                  
Issue of equity                   $ 12,000,000 [1],[3] $ 13,000,000 [4] $ 545,000,000 [5]              
Limited Partners 1 | Partners' capital                                      
Schedule of Partnership Units [Line Items]                                      
Issued for cash (in shares) | shares           14,200,000       416,225 338,953 14,564,499              
Partnership units repurchased, net of costs and issuances           $ 556,000,000                          
Share issue related cost           $ 23,000,000                          
Repurchased (in shares) (2023: less than) | shares                   908,674                  
Repurchased and cancelled [1]                   $ 12,000,000                  
Dividend reinvestment plan, unit issued (in shares) | shares                   400,000 300,000 400,000              
Dividend reinvestment plan, proceeds                   $ 13,000,000 $ 13,000,000 $ 12,000,000              
Weighted average number of shares outstanding (in shares) | shares                   459,400,000 458,100,000 445,100,000              
Units converted to exchangeable shares, value                   $ (100,000,000)                  
Issue of equity                   $ 12,000,000 [1],[3] $ 13,000,000 [4] $ 545,000,000 [5]              
Non-controlling Interest - Exchange LP Units, equity | Partners' capital                                      
Schedule of Partnership Units [Line Items]                                      
BIPC exchangeable LP converted to BIPC exchangeable (in shares) | $ / shares                   $ 200,000 $ 400,000 $ 600,000              
Partnership distributions (in shares) | shares                                     0.11
Issue of equity                       $ 259,000,000              
Exchange LP conversion (in shares) | shares                   200,000 200,000 100,000              
Exchange LP unit conversion, value                   $ 4,000,000 $ 2,000,000 $ 2,000,000              
BIPC Exchange LP | Partners' capital                                      
Schedule of Partnership Units [Line Items]                                      
Units converted to Class A shares of BIPC (in shares) | shares         3,000,000                            
Units converted to exchangeable shares, value         $ (100,000,000)                            
Non-controlling interest— BIPC exchangeable shares | Partners' capital                                      
Schedule of Partnership Units [Line Items]                                      
Issued for cash (in shares) | shares                   21,094,441   3,210,037              
Issue of equity                   $ 751,000,000   $ 128,000,000              
Non-controlling Interest - Exchange BIPC LP Units, equity | Partners' capital                                      
Schedule of Partnership Units [Line Items]                                      
Shares converted (shares) | shares                   200,000 100,000                
Exchange LP unit conversion, value                   $ 3,000,000 $ 1,000,000                
Incentive Distribution, $0.1827 Threshold | Special General Partner | Holding LP | Holding LP’s units (other than Holding LP Class A Preferred Units)                                      
Schedule of Partnership Units [Line Items]                                      
Distributions threshold, per quarter, per share (in dollars per share) | $ / shares                 $ 0.1218                    
Distribution rights entitle as percent, threshold                   15.00%                  
Incentive Distribution, $0.198 Threshold | Special General Partner | Holding LP | Holding LP’s units (other than Holding LP Class A Preferred Units)                                      
Schedule of Partnership Units [Line Items]                                      
Distributions threshold, per quarter, per share (in dollars per share) | $ / shares                 $ 0.1320                    
Distribution rights entitle as percent, threshold                   25.00%                  
Incentive Distribution, $0.203 Threshold | Special General Partner | Holding LP | Holding LP’s units (other than Holding LP Class A Preferred Units)                                      
Schedule of Partnership Units [Line Items]                                      
Distributions threshold, per quarter, per share (in dollars per share) | $ / shares                     $ 0.1827                
Incentive Distribution, $0.22 Threshold | Special General Partner | Holding LP | Holding LP’s units (other than Holding LP Class A Preferred Units)                                      
Schedule of Partnership Units [Line Items]                                      
Distributions threshold, per quarter, per share (in dollars per share) | $ / shares                     $ 0.1980                
[1] Refer to Note 27, Partnership Capital.
[2] Basic and diluted income per limited partner unit have been retroactively adjusted to reflect the impact of the special distribution and the unit split. Refer to Note 1, Organization and Description of the Business, for further details.
[3] Refer to Note 6, Acquisition of Businesses
[4] Refer to Note 27, Partnership Capital.
[5] Refer to Note 27, Partnership Capital.