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NON-WHOLLY OWNED SUBSIDIARIES (Tables)
12 Months Ended
Dec. 31, 2023
Interests In Other Entities [Abstract]  
Summarized accounts for non-wholly owned subsidiaries
The following tables present summarized accounts for non-wholly owned subsidiaries on the Consolidated Statements of Financial Position:
 As of December 31, 2023
US$ MILLIONSCurrent
Assets
Non-Current
Assets
Current
Liabilities
Non-Current
Liabilities
Non-Controlling
Interest
Equity in Net Assets Attributable to the partnership
Brazilian regulated gas transmission operation
$747 $3,576 $549 $3,099 $526 $149 
U.K. regulated distribution operation
312 5,579 387 3,744 344 1,416 
Global intermodal logistics operation(1)
435 11,950 984 6,639 3,597 1,165 
Total$1,494 $21,105 $1,920 $13,482 $4,467 $2,730 
(1)See Note 4, Acquisition of Businesses, for additional information.
 As of December 31, 2022
US$ MILLIONSCurrent
Assets
Non-Current
Assets
Current
Liabilities
Non-Current
Liabilities
Non-Controlling
Interest in
Affiliates
Equity in Net Assets Attributable to the partnership
Brazilian regulated gas transmission operation
$737 $3,362 $486 $3,034 $460 $119 
U.K. regulated distribution operation
264 4,821 690 2,864 298 1,233 
Total$1,001 $8,183 $1,176 $5,898 $758 $1,352 

The following tables present summarized accounts for non-wholly owned subsidiaries on the Consolidated Statements of Operating Results:

 Year ended December 31, 2023
  Attributable to non-controlling interestAttributable to
the partnership
US$ MILLIONSRevenueNet
Income
Other
Comprehensive
Income (loss)
Net
Income
Other
Comprehensive
Income (loss)
Brazilian regulated gas transmission operation$1,483 $455 $44 $202 $19 
U.K. regulated distribution operation635 19 38 78 154 
Global intermodal logistics operation(1)
385 56 (33)22 (13)
Total$2,503 $530 $49 $302 $160 
(1)See Note 4, Acquisition of Businesses, for additional information.
 Year ended December 31, 2022
  Attributable to non-controlling interestAttributable to
the partnership
US$ MILLIONSRevenueNet
Income
Other
Comprehensive
Income (loss)
Net
Income
Other
Comprehensive
Income (loss)
Brazilian regulated gas transmission operation$1,314 $506 $(2)$225 $(1)
U.K. regulated distribution operation572 19 (20)75 (78)
Total$1,886 $525 $(22)$300 $(79)

 Year ended December 31, 2021
  Attributable to non-controlling interestAttributable to
the partnership
US$ MILLIONSRevenueNet
Income
Other
Comprehensive
Income (loss)
Net
Income
Other
Comprehensive
Income (loss)
Brazilian regulated gas transmission operation$1,074 $361 $(87)$150 $(31)
U.K. regulated distribution operation569 34 138 26 
Total$1,643 $395 $(81)$288 $(5)

The following tables present summarized accounts for non-wholly owned subsidiaries on the Consolidated Statements of Cash Flows:
 Cash Flow Activities
 Year ended December 31, 2023Year ended December 31, 2022
US$ MILLIONSOperatingInvestingFinancingOperatingInvestingFinancing
Brazilian regulated gas transmission operation$739 $(36)$(742)$783 $(80)$(824)
U.K. regulated distribution operation226 (487)309 293 (432)101 
Global intermodal logistics operation(1)
327 (3,048)2,828 — — — 
Total$1,292 $(3,571)$2,395 $1,076 $(512)$(723)
(1)See Note 4, Acquisition of Businesses, for additional information.
 Cash Flow Activities
 Year ended December 31, 2021
US$ MILLIONSOperatingInvestingFinancing
Brazilian regulated gas transmission operation
$768 $(32)$(473)
U.K. regulated distribution operation273 344 (582)
Total$1,041 $312 $(1,055)