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ACCOUNTS RECEIVABLE AND OTHER
 12 Months Ended
Dec. 31, 2020
Subclassifications of assets, liabilities and equities [abstract]  
ACCOUNTS RECEIVABLE AND OTHER ACCOUNTS RECEIVABLE AND OTHER
US$ MILLIONS20202019
Current:  
Accounts receivable$1,463 $1,741 
Prepayments & other assets462 219 
Total current$1,925 $1,960 
Non-current:  
Finance lease receivables$343 $— 
Accounts receivable123 100 
Restricted cash(1)
81 41 
Tax recovery receivables21 27 
Other assets188 89 
Total non-current$756 $257 
(1)Restricted cash primarily relates to our partnership’s financing arrangements, including debt service accounts. Cash that becomes unrestricted within one year of the reporting date is classified as cash and cash equivalents.
The table below outlines Brookfield Infrastructure’s undiscounted lease payments to be received under operating and finance leases as at December 31, 2020:
US$ MILLIONSLess than
1 year		1-2 years2-3 years3-4 years4-5 years5+ yearsTotal lease payment receivable
Finance lease receivable$62 $61 $61 $60 $59 $555 $858 
Operating lease receivable396 384 318 295 271 1,474 3,138 
Total lease receivable$458 $445 $379 $355 $330 $2,029 $3,996