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NON-WHOLLY OWNED SUBSIDIARIES
12 Months Ended
Dec. 31, 2020
Interests In Other Entities [Abstract]  
NON-WHOLLY OWNED SUBSIDIARIES NON-WHOLLY OWNED SUBSIDIARIES
The following tables present summarized accounts for non-wholly owned subsidiaries on the Consolidated Statement of Financial Position:
 As of December 31, 2020
US$ MILLIONSCurrent
Assets
Non-Current
Assets
Current
Liabilities
Non-Current
Liabilities
Non-Controlling
Interest
Equity in Net Assets Attributable to the partnership
U.K. regulated distribution operation
$181 $5,264 $333 $3,241 $367 $1,504 
Brazilian regulated gas transmission operation
405 3,494 203 2,772 783 141 
Total$586 $8,758 $536 $6,013 $1,150 $1,645 
 As of December 31, 2019
US$ MILLIONSCurrent
Assets
Non-Current
Assets
Current
Liabilities
Non-Current
Liabilities
Non-Controlling
Interest in
Affiliates
Equity in Net Assets Attributable to the partnership
U.K. regulated distribution operation
$159 $4,653 $294 $2,888 $318 $1,312 
Brazilian regulated gas transmission operation
435 4,606 199 3,195 1,305 342 
Total$594 $9,259 $493 $6,083 $1,623 $1,654 

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

 Year ended December 31, 2020
  Attributable to non-controlling interestAttributable to
the partnership
US$ MILLIONSRevenueNet
Income
Other
Comprehensive
Income
Net
Income
Other
Comprehensive
Income (loss)
U.K. regulated distribution operation$488 $11 $42 $46 $167 
Brazilian regulated gas transmission operation942 309 (399)116 (152)
Total$1,430 $320 $(357)$162 $15 

 Year ended December 31, 2019
  Attributable to non-controlling interestAttributable to
the partnership
US$ MILLIONSRevenueNet
Income
Other
Comprehensive
Income (loss)
Net
Income
Other
Comprehensive
Income (loss)
U.K. regulated distribution operation$478 $24 $71 $103 $278 
Brazilian regulated gas transmission operation1,141 349 (83)132 (33)
Total$1,619 $373 $(12)$235 $245 

 Year ended December 31, 2018
  Attributable to non-controlling interestAttributable to
the partnership
US$ MILLIONSRevenueNet
Income
Other
Comprehensive
Income (loss)
Net
Income
Other
Comprehensive
Income (loss)
U.K. regulated distribution operation$449 $22 $19 $99 $86 
Brazilian regulated gas transmission operation1,112 357 (469)139 (190)
Total$1,561 $379 $(450)$238 $(104)
The following tables present summarized accounts for non-wholly owned subsidiaries on the Consolidated Statement of Cash Flows:
 Cash Flow Activities
 Year ended December 31, 2020Year ended December 31, 2019
US$ MILLIONSOperatingInvestingFinancingOperatingInvestingFinancing
U.K. regulated distribution operation$241 $(372)$133 $271 $(416)$147 
Brazilian regulated gas transmission operation634 (34)(588)839 (21)(702)
Total$875 $(406)$(455)$1,110 $(437)$(555)

 Cash Flow Activities
 Year ended December 31, 2018
US$ MILLIONSOperatingInvestingFinancing
U.K. regulated distribution operation$226 $(413)$179 
Brazilian regulated gas transmission operation
868 (26)(792)
Total$1,094 $(439)$(613)