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PARTNERSHIP CAPITAL - Additional Information (Details)
 1 Months Ended 2 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 10, 2022
Sep. 30, 2021
USD ($)
Jan. 21, 2021
USD ($)
$ / shares
shares
Sep. 21, 2020
USD ($)
$ / shares
shares
Nov. 30, 2021
USD ($)
shares
Oct. 31, 2021
USD ($)
Sep. 30, 2021
USD ($)
Mar. 31, 2020
$ / shares
shares
Mar. 29, 2020
$ / shares
Jun. 30, 2022
$ / shares
Dec. 31, 2022
USD ($)
transaction
day
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Nov. 01, 2021
shares
Oct. 01, 2021
shares
Aug. 01, 2021
shares
Apr. 21, 2021
Mar. 31, 2021
Schedule of Partnership Units [Line Items]                                    
Partnership capital, stock split, conversion ratio 1.5                                  
Partnership units issued, net of costs and repurchases                     $ 13,000,000 $ 1,073,000,000 $ 9,000,000          
Share issue related cost         $ 6,000,000                          
Volume weighted average of trading price, number of trading days | day                     5              
Basic earnings (loss) per share (in dollars per unit) | $ / shares [1]                     $ 0.14 $ 1.16 $ 0.23          
Diluted earnings (loss) per share (in dollars per unit) | $ / shares [1]                     $ 0.14 $ 1.16 $ 0.23          
Exchangeable shares issued as a result of special distribution | shares               69,500,000           3,200,000 12,100,000 26,900,000    
Exchange ratio                                 1 1
Issuance of BIPC exchangeable shares         $ 134,000,000 $ 502,000,000 $ 1,140,000,000           $ 0 [2],[3]          
Issue of equity                     $ 13,000,000 [4] $ 2,974,000,000 [5] $ 9,000,000 [3]          
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              
Preferred Unitholders Capital                                    
Schedule of Partnership Units [Line Items]                                    
Issued for cash (in shares) | shares                     0 8,000,000 8,000,000          
Issue of equity                     $ 0 $ 194,000,000 $ 195,000,000          
Repurchased and cancelled (in shares) | shares                     (11,979,750) (9,986,588) 0          
Repurchased and cancelled                     $ (220,000,000) $ (186,000,000) $ 0          
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 issued, net of costs and repurchases   $ 206,000,000 $ 200,000,000                              
Quarterly fixed distribution rate     5.00%                              
Underwriting related cost     $ 6,000,000                              
Preferred Unitholders Capital | Series 13 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 issued, net of costs and repurchases       $ 200,000,000                            
Quarterly fixed distribution rate       5.125%                            
Underwriting related cost       $ 5,000,000                            
Special General Partner                                    
Schedule of Partnership Units [Line Items]                                    
Partnership distributions                     $ 240,000,000 $ 206,000,000 $ 183,000,000          
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]                                    
Issuance of BIPC exchangeable shares [2],[3]                         $ (183,000,000)          
Issue of equity [5]                       $ 400,000,000            
Non-controlling Interest - Redeemable Partnership Units | Partners' capital                                    
Schedule of Partnership Units [Line Items]                                    
Issued for cash (in shares) | shares         10,700,000             10,656,521 0          
Weighted average number of shares outstanding (in shares) | shares                     193,600,000 184,200,000 182,900,000          
Issue of equity         $ 400,000,000           $ 0 $ 400,000,000 $ 0          
Non-controlling Interest - Redeemable Partnership Units | Partners' capital | Holding LP                                    
Schedule of Partnership Units [Line Items]                                    
Number of shares issued (in shares) | shares                     193,600,000              
Limited Partners 1                                    
Schedule of Partnership Units [Line Items]                                    
Issuance of BIPC exchangeable shares [2],[3]                         (441,000,000)          
Issue of equity                     $ 13,000,000 [4] $ 545,000,000 [5] $ 9,000,000 [3]          
Limited Partners 1 | Partners' capital                                    
Schedule of Partnership Units [Line Items]                                    
Issued for cash (in shares) | shares         14,200,000           338,953 14,564,499 336,134          
Partnership units issued, net of costs and repurchases         $ 556,000,000                          
Share issue related cost         $ 23,000,000                          
Repurchased and cancelled (in shares) | shares                     0 0 200,000          
Repurchased and cancelled                         $ 100,000          
Share repurchase related cost                     $ 0 $ 0 $ 1,000,000          
Dividend reinvestment plan, unit issued (in shares) | shares                     300,000 400,000 300,000          
Dividend reinvestment plan, proceeds                     $ 13,000,000 $ 12,000,000 $ 9,000,000          
Weighted average number of shares outstanding (in shares) | shares                     458,100,000 445,100,000 442,100,000          
Issue of equity                     $ 13,000,000 [4] $ 545,000,000 [5] $ 9,000,000 [3]          
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                     $ 400,000 $ 600,000            
Partnership distributions (in shares) | shares               0.11                    
Issued for cash (in shares) | shares                     0 0 190,038          
Issue of equity                     $ 0 $ 259,000,000 $ 0          
Exchange LP conversion (in shares) | shares                     100,000 200,000 400,000          
Exchange LP unit conversion, value                     $ 2,000,000 $ 2,000,000 $ 3,000,000          
Non-controlling interest— BIPC exchangeable shares | Partners' capital                                    
Schedule of Partnership Units [Line Items]                                    
Issued for cash (in shares) | shares                     0 3,210,037 0          
Units converted to exchangeable shares, value                       $ (1,000,000)            
Issue of equity                       $ 128,000,000 $ 0          
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                 $ 0.2030     $ 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               $ 0.22       $ 0.1980            
[1] 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.
[2] Refer to Note 1, Organization and Description of the Business.
[3] Refer to Note 28, Partnership Capital.
[4] Refer to Note 28, Partnership Capital.
[5] Refer to Note 28, Partnership Capital.