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CAPITAL MANAGEMENT - Changes in Invested Capital (Details) - USD ($)
$ in Millions
 1 Months Ended 12 Months Ended
Jan. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Changes in Invested capital [Roll Forward]      
Opening balance $ 12,195 $ 12,195 $ 9,213
Net (redemption) issuance of preferred units (220) (220) 8
Issuance of perpetual subordinated notes $ 293 293 0
Issuance of limited partnership and redeemable partnership units, net of redemptions   13 945
Issuance of BIPC exchangeable shares   0 1,770
Issuance of BIPC exchangeable LP Units   0 259
Ending balance   12,281 12,195
Weighted Average Invested Capital   $ 12,270 $ 10,076