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Trade and other receivables (Tables)

12 Months Ended

Dec. 31, 2019

Trade and other receivables [abstract]

Disclosure Of Detailed Information About Trade And Other Receivables Explanatory



	Non-current 2019 US$m		Current 2019 US$m		Total 2019 US$m		Non-current 2018 US$m		Current 2018 US$m		Total 2018 US$m
Trade receivables^(a)	1		2,097		2,098		—		2,167		2,167
Other financial receivables^(a)	286		453		739		240		550		790
Receivables relating to net investment in finance leases^(a)	52		11		63		—		—		—
Amounts due from equity accounted units^(a)	—		38		38		—		50		50
Other receivables	123		209		332		129		226		355
Prepayment of tolling charges to jointly controlled entities^(b)	221		—		221		228		—		228
Pension surpluses (note 44)	984		—		984		935		—		935
Other prepayments	49		219		268		53		186		239
Total	1,716		3,027		4,743		1,585		3,179		4,764


(a)	At 31 December 2019, trade and other financial receivables, receivables relating to net investment in finance leases and amounts due from equity accounted units are stated net of allowances for expected credit losses of US$54 million (2018: US$15 million).


(b)	These prepayments will be charged to Group operating costs as processing takes place.