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CASH AND CASH EQUIVALENTS (Tables)
 12 Months Ended
Dec. 31, 2024
Cash and cash equivalents [abstract]  
Disclosure of cash and cash equivalents
US$ MILLIONS20242023
Cash$1,296 $1,201 
Cash equivalents(1)
686 440 
Restricted cash(2)
89 216 
Total cash and cash equivalents$2,071 $1,857 
(1)Short-term, highly liquid investments that are readily convertible to known amounts of cash and which are subject to an insignificant risk of changes in value.
(2)Restricted cash primarily relates to our partnership’s financing arrangements, including debt service accounts. Cash that becomes unrestricted within one year of the reporting date is classified as cash and cash equivalents.