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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 07, 2019 | Nov. 30, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | $ 22,177 |  | $ 14,668 | $ 13,474
Other comprehensive income (loss) |  |  |  | (62) |  | 590 | (945)
Issuance of class A shares of BIPC | [1],[2] |  |  | 0 |  |  |
Other items | [4] |  |  | 104 | [3] | 173 | 0
Balance as |  |  |  | 21,673 |  | 22,177 | 14,668
Chilean toll roads |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  | $ (38) |  | $ 44 |  | $ 38 |
Disposal of ownership interest, percentage |  |  |  | 33.00% |  | 33.00% |
Colombian regulated distribution operation |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  | $ 61 |  |  |
Disposal of ownership interest, percentage |  |  |  | 17.00% |  |  |
Texas electricity transmission project |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  | $ 25 |  |  |
Disposal of ownership interest, percentage |  |  |  | 11.00% |  |  |
Australia District Energy Business |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Increase (decrease) through transfer between revaluation surplus and retained earnings, equity |  |  | $ 12 |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  | $ (35) |  |  | $ 12 |
Limited Partners |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | $ 5,048 |  | 4,513 | 4,967
Other comprehensive income (loss) |  |  |  | (11) |  | 246 | (205)
Issuance of class A shares of BIPC | [1],[2] |  |  | (441) |  |  |
Other items | [4] |  |  | 110 | [3] | 314 | 120
Balance as |  |  |  | 4,233 |  | 5,048 | 4,513
Limited Partners | Accumulated Other Comprehensive Income |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as | [4] |  |  | 473 |  | 209 | 864
Other comprehensive income (loss) | [4] |  |  | (11) |  | 246 | (205)
Issuance of class A shares of BIPC | [1],[2],[4] |  |  | 18 |  |  |
Other items | [4] |  |  | (28) | [3] | 18 | (450)
Balance as | [4] |  |  | 452 |  | 473 | 209
Limited Partners | Revaluation Surplus |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 899 |  | 667 |
Other comprehensive income (loss) |  |  |  | 175 |  | 240 |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | (59) |  | (8) |
Balance as |  |  |  | 1,015 |  | 899 | 667
Limited Partners | Foreign Currency Translation |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (1,324) |  | (1,336) |
Other comprehensive income (loss) |  |  |  | (287) |  | (8) |
Issuance of class A shares of BIPC |  |  |  | 18 |  |  |
Other items |  |  |  | 31 |  | 20 |
Balance as |  |  |  | (1,562) |  | (1,324) | (1,336)
Limited Partners | Net Investment Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 30 |  | 95 |
Other comprehensive income (loss) |  |  |  | 7 |  | (71) |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  | 6 |
Balance as |  |  |  | 37 |  | 30 | 95
Limited Partners | Cash Flow Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (82) |  | (96) |
Other comprehensive income (loss) |  |  |  | 68 |  | 14 |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  | 0 |
Balance as |  |  |  | (14) |  | (82) | (96)
Limited Partners | Marketable Securities |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  | (33) |
Other comprehensive income (loss) |  |  |  | 39 |  | 33 |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  | 0 |
Balance as |  |  |  | 39 |  | 0 | (33)
Limited Partners | Unrealized Actuarial Losses |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (18) |  | (18) |
Other comprehensive income (loss) |  |  |  | (18) |  | 0 |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  | 0 |
Balance as |  |  |  | (36) |  | (18) | (18)
Limited Partners | Equity accounted investments |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 968 |  | 930 |
Other comprehensive income (loss) |  |  |  | 5 |  | 38 |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  | 0 |
Balance as |  |  |  | 973 |  | 968 | 930
General partner |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 24 |  | 22 | 25
Other comprehensive income (loss) |  |  |  | (1) |  | 1 |
Issuance of class A shares of BIPC | [1],[2] |  |  | (2) |  |  |
Balance as |  |  |  | 19 |  | 24 | 22
General partner | Accumulated Other Comprehensive Income |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 4 |  | 3 |
Other comprehensive income (loss) |  |  |  | (1) |  | 1 |
Balance as |  |  |  | 3 |  | 4 | 3
General partner | Revaluation Surplus |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 6 |  | 5 |
Other comprehensive income (loss) |  |  |  | 1 |  | 1 |
Balance as |  |  |  | 7 |  | 6 | 5
General partner | Foreign Currency Translation |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (9) |  | (9) |
Other comprehensive income (loss) |  |  |  | (3) |  | 0 |
Balance as |  |  |  | (12) |  | (9) | (9)
General partner | Net Investment Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 2 |  | 2 |
Other comprehensive income (loss) |  |  |  | 0 |  | 0 |
Balance as |  |  |  | 2 |  | 2 | 2
General partner | Cash Flow Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  | 0 |
Other comprehensive income (loss) |  |  |  | 1 |  | 0 |
Balance as |  |  |  | 1 |  | 0 | 0
General partner | Marketable Securities |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  | 0 |
Other comprehensive income (loss) |  |  |  | 0 |  | 0 |
Balance as |  |  |  | 0 |  | 0 | 0
General partner | Unrealized Actuarial Losses |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  | 0 |
Other comprehensive income (loss) |  |  |  | 0 |  | 0 |
Balance as |  |  |  | 0 |  | 0 | 0
General partner | Equity accounted investments |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 5 |  | 5 |
Other comprehensive income (loss) |  |  |  | 0 |  | 0 |
Balance as |  |  |  | 5 |  | 5 | 5
Non-Controlling Interest—Redeemable Partnership Units held by Brookfield |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 2,039 |  | 1,823 | 2,012
Other comprehensive income (loss) |  |  |  | (7) |  | 103 | (87)
Issuance of class A shares of BIPC | [1],[2] |  |  | (183) |  |  |
Other items | [4] |  |  | 36 | [3] | 98 | 43
Balance as |  |  |  | 1,687 |  | 2,039 | 1,823
Non-Controlling Interest—Redeemable Partnership Units held by Brookfield | Accumulated Other Comprehensive Income |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 223 |  | 112 | 387
Other comprehensive income (loss) |  |  |  | (7) |  | 103 | (87)
Issuance of class A shares of BIPC | [1],[2] |  |  | 5 |  |  |
Other items | [4] |  |  | (12) | [3] | 8 | (188)
Balance as |  |  |  | 209 |  | 223 | 112
Non-Controlling Interest—Redeemable Partnership Units held by Brookfield | Revaluation Surplus |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 391 |  | 296 |
Other comprehensive income (loss) |  |  |  | 72 |  | 99 |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | (25) |  | (4) |
Balance as |  |  |  | 438 |  | 391 | 296
Non-Controlling Interest—Redeemable Partnership Units held by Brookfield | Foreign Currency Translation |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (546) |  | (552) |
Other comprehensive income (loss) |  |  |  | (119) |  | (3) |
Issuance of class A shares of BIPC |  |  |  | 5 |  |  |
Other items |  |  |  | 13 |  | 9 |
Balance as |  |  |  | (647) |  | (546) | (552)
Non-Controlling Interest—Redeemable Partnership Units held by Brookfield | Net Investment Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 14 |  | 40 |
Other comprehensive income (loss) |  |  |  | 3 |  | (29) |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  | 3 |
Balance as |  |  |  | 17 |  | 14 | 40
Non-Controlling Interest—Redeemable Partnership Units held by Brookfield | Cash Flow Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (37) |  | (43) |
Other comprehensive income (loss) |  |  |  | 28 |  | 6 |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  | 0 |
Balance as |  |  |  | (9) |  | (37) | (43)
Non-Controlling Interest—Redeemable Partnership Units held by Brookfield | Marketable Securities |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (2) |  | (16) |
Other comprehensive income (loss) |  |  |  | 15 |  | 14 |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  | 0 |
Balance as |  |  |  | 13 |  | (2) | (16)
Non-Controlling Interest—Redeemable Partnership Units held by Brookfield | Unrealized Actuarial Losses |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (4) |  | (4) |
Other comprehensive income (loss) |  |  |  | (8) |  | 0 |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  | 0 |
Balance as |  |  |  | (12) |  | (4) | (4)
Non-Controlling Interest—Redeemable Partnership Units held by Brookfield | Equity accounted investments |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 407 |  | 391 |
Other comprehensive income (loss) |  |  |  | 2 |  | 16 |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  | 0 |
Balance as |  |  |  | 409 |  | 407 | 391
Non-controlling interest— BIPC exchangeable shares |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  | 23 |  |  |
Non-controlling interest— BIPC exchangeable shares | Accumulated Other Comprehensive Income |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | 87 |  |  |
Issuance of class A shares of BIPC |  |  |  | (23) |  |  |
Other items |  |  |  | (2) |  |  |
Balance as |  |  |  | 62 |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Revaluation Surplus |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | 29 |  |  |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | (2) |  |  |
Balance as |  |  |  | 27 |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Foreign Currency Translation |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | 51 |  |  |
Issuance of class A shares of BIPC |  |  |  | (23) |  |  |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | 28 |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Net Investment Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | (6) |  |  |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | (6) |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Cash Flow Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | 22 |  |  |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | 22 |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Marketable Securities |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | 5 |  |  |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | 5 |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Unrealized Actuarial Losses |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | (3) |  |  |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | (3) |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Equity accounted investments |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | (11) |  |  |
Issuance of class A shares of BIPC |  |  |  | 0 |  |  |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | (11) |  | 0 |
Non-controlling interest— Exchange LP Units | Accumulated Other Comprehensive Income |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 5 |  | 4 |
Other comprehensive income (loss) |  |  |  | 0 |  | 1 |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | 5 |  | 5 | 4
Non-controlling interest— Exchange LP Units | Revaluation Surplus |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 3 |  | 2 |
Other comprehensive income (loss) |  |  |  | 1 |  | 1 |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | 4 |  | 3 | 2
Non-controlling interest— Exchange LP Units | Foreign Currency Translation |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 1 |  | 1 |
Other comprehensive income (loss) |  |  |  | (2) |  | 0 |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | (1) |  | 1 | 1
Non-controlling interest— Exchange LP Units | Net Investment Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  | 0 |
Other comprehensive income (loss) |  |  |  | 0 |  | 0 |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | 0 |  | 0 | 0
Non-controlling interest— Exchange LP Units | Cash Flow Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (1) |  | (1) |
Other comprehensive income (loss) |  |  |  | 1 |  | 0 |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | 0 |  | (1) | (1)
Non-controlling interest— Exchange LP Units | Marketable Securities |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  | 0 |
Other comprehensive income (loss) |  |  |  | 0 |  | 0 |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | 0 |  | 0 | 0
Non-controlling interest— Exchange LP Units | Unrealized Actuarial Losses |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  | 0 |
Other comprehensive income (loss) |  |  |  | 0 |  | 0 |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | 0 |  | 0 | 0
Non-controlling interest— Exchange LP Units | Equity accounted investments |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 2 |  | 2 |
Other comprehensive income (loss) |  |  |  | 0 |  | 0 |
Other items |  |  |  | 0 |  |  |
Balance as |  |  |  | $ 2 |  | $ 2 | $ 2
[1] | Refer to Note 1, Organization and Description of the Business.
[2] | Refer to Note 26, Partnership Capital.
[3] | Refer to Note 6, Acquisition of Businesses.
[4] | Refer to Note 27, Accumulated Other Comprehensive Income (Loss).

X
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X
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Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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