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Leases (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure of leases [Abstract]

Disclosure of additional information about leasing activities for lessee

We have made the following payments associated with leases:


Description of payment			2020 US$m			2019 US$m			Included within
Principal lease payments			324			315			Cash flows from financing activities
Interest payments on leases			50			53			Cash flows from operating activities
Payments for short-term leases			314			327			Net operating costs
Payments for variable lease components			30			15			Net operating costs
Payments for low value leases (>12 months in duration)			1			1			Net operating costs
Total lease payments			719			711

Summary of capitalised finance leases

The maturity profile of lease liabilities recognised at the balance sheet date is:


			Note			2020 US$m			2019 US$m
Lease liabilities
Due within 1 year						271			349


Between 1 and 3 years						386			424


Between 3 and 5 years						185			226
More than 5 years						724			671
Total undiscounted cash payments expected to be made						1,566			1,670
Effect of discounting						(388)			(361)
Present value of minimum lease payments			21			1,178			1,309