XML 47 R32.htm IDEA: XBRL DOCUMENT
v3.10.0.1

CAPITAL MANAGEMENT (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2018
Disclosure of Capital Management [Abstract] |
Schedule of invested capital | We define Invested Capital as partnership capital removing the impact of the following items: non-controlling interest in operating subsidiaries, retained earnings or deficit, accumulated other comprehensive income and ownership changes.
| As of
US$ MILLIONS | June 30, 2018 |  | December 31, 2017
Partnership Capital | $ | 12,276 |  |  | $ | 13,474 |
Remove impact of the following items since inception: |  |  |
Non-controlling interest - in operating subsidiaries | (5,125 | ) |  | (5,875 | )
Deficit | 842 |  |  | 1,366 |
Accumulated other comprehensive income | (120 | ) |  | (1,257 | )
Ownership changes | (109 | ) |  | (109 | )
Invested Capital | $ | 7,764 |  |  | $ | 7,599 |
The following table presents the change in Invested Capital during the three and six-month periods ended June 30, 2018:
| For the three-month period ended June 30 |  | For the six-month period ended June 30
US$ MILLIONS | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Opening balance | $ | 7,760 |  |  | $ | 6,613 |  |  | $ | 7,599 |  |  | $ | 6,387 |
Issuance of preferred units | — |  |  | — |  |  | 157 |  |  | 220 |
Issuance of limited partnership units and redeemable partnership units | 4 |  |  | 5 |  |  | 8 |  |  | 11 |
Ending balance | $ | 7,764 |  |  | $ | 6,618 |  |  | $ | 7,764 |  |  | $ | 6,618 |
Weighted Average Invested Capital | $ | 7,760 |  |  | $ | 6,613 |  |  | $ | 7,738 |  |  | $ | 6,578 |

X
- Definition Disclosure of Capital Management [Abstract] + References No definition available. + Details
Name: | bip_DisclosureofCapitalManagementAbstract
Namespace Prefix: | bip_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Invested Capital [Table Text Block] + References No definition available. + Details
Name: | bip_ScheduleofInvestedCapitalTableTextBlock
Namespace Prefix: | bip_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration