Cash and cash equivalents (Tables)

12 Months Ended

Dec. 31, 2018

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Schedule of Cash and Cash Equivalents

Million US dollar	31 December 2018			31 December 2017
Short-term bank deposits		2 233			3 896
Cash and bank accounts		4 841			6 576
Cash and cash equivalents		7 074			10 472
Bank overdrafts		(114	)		(117	)
		6 960			10 355