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OTHER NON-CURRENT LIABILITIES
 12 Months Ended
Dec. 31, 2021
Subclassifications of assets, liabilities and equities [abstract]  
OTHER NON-CURRENT LIABILITIES OTHER NON-CURRENT LIABILITIES
The components of other non-current liabilities are as follows:

(US$ Millions)Dec. 31, 2021Dec. 31, 2020
Accounts payable and accrued liabilities$499 $437 
Lease liabilities(1)
690 875 
Derivative liability277 272 
Provisions16 105 
Deferred revenue16 14 
Loans and notes payable1 — 
Total other non-current liabilities$1,499 $1,703 
(1)For the year ended December 31, 2021, interest expense relating to total lease liabilities (see Note 18, Accounts Payable And Other Liabilities for the current portion) was $59 million (2020 - $58 million).