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CONTRACTUAL COMMITMENTS
12 Months Ended
Dec. 31, 2021
Contractual Commitments [Abstract]  
CONTRACTUAL COMMITMENTS CONTRACTUAL COMMITMENTS
(a)Lease liabilities
As at December 31, 2021 and 2020, the undiscounted maturity analysis for the company’s lease obligations is as follows:
2021
(US$ MILLIONS)1 Year2-5 Years5+ YearsTotal
Lease liabilities$71 $192 $540 $803 
Total lease liabilities$71 $192 $540 $803 
2020
(US$ MILLIONS)1 Year2-5 Years5+ YearsTotal
Lease liabilities$78 $209 $428 $715 
Total lease liabilities$78 $209 $428 $715