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DIRECT OPERATING COSTS
 12 Months Ended
Dec. 31, 2021
Direct Operating Costs [Abstract]  
DIRECT OPERATING COSTS DIRECT OPERATING COSTS
Direct operating costs are costs incurred to earn revenue and include all attributable expenses. The following table lists direct operating costs for the years ended December 31, 2021, 2020 and 2019. Comparative figures have been reclassified to conform to the current period’s presentation:
US$ MILLIONS202120202019
Depreciation and amortization$2,036 $1,705 $1,214 
Compensation1,517 1,284 674 
Fuel, transportation and distribution costs1,514 1,291 929 
Cost of inventory1,308 706 463 
Utilities409 171 72 
Other direct operating costs1,463 1,391 1,257 
Total$8,247 $6,548 $4,609