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PREFERRED SHARES (Details) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of classes of share capital [line items]      
Preferred shares $ 20,000,000 $ 20,000,000  
Dividends, preferred stock $ 67,000,000 [1] 51,000,000 [1] $ 49,000,000
Preference shares      
Disclosure of classes of share capital [line items]      
Expected dividend payable as percentage 6.00%    
Dividend payables $ 0 $ 0  
Brookfield Infrastructure Holdings (Canada) Inc. | Preference shares      
Disclosure of classes of share capital [line items]      
Number of shares issued (in shares) 196,000    
Preferred shares $ 5,000,000    
Brookfield Infrastructure US Holdings I Corporation | Preference shares      
Disclosure of classes of share capital [line items]      
Number of shares issued (in shares) 1    
Preferred shares $ 5,000,000    
Dividends, preferred stock $ 5,000,000    
BIP Bermuda Holdings I Limited | Preference shares      
Disclosure of classes of share capital [line items]      
Number of shares issued (in shares) 400,000    
Preferred shares $ 10,000,000    
Brookfield Infrastructure Holdings (Canada) Inc. and BIP Bermuda Holdings I Limited | Preference shares      
Disclosure of classes of share capital [line items]      
Redemption price per share (in usd per share) $ 25    
[1] Refer to Note 29, Distributions.