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Cash and cash equivalents

12 Months Ended

Dec. 31, 2018

Cash And Cash Equivalents [Abstract]

21 Cash and cash equivalents

				2018			2017
	Note		US$m			US$m
Cash at bank and in hand				740			1,035
Money market funds and other cash equivalents				10,033			9,515
Balance per Group balance sheet				10,773			10,550
Bank overdrafts repayable on demand (unsecured)		22		(1	)		(3	)
Cash and cash equivalents included in Assets held for sale		19		117			-
Balance per Group cash flow statement				10,889			10,547

Cash and cash equivalents of US$186 million (2017: US$290 million) are held in countries where there are restrictions on remittances. Of this balance, US$142 million (2017: US$158 million) could be used to repay subsidiaries’ third-party borrowings.

There are also restrictions on a further US$1,090 million (2017: US$1,089 million) of cash and cash equivalents, the majority of which is held by partially owned subsidiaries and is not available for use in the wider Group due to legal and contractual restrictions currently in place. Of this balance US$864 million (2017: US$703 million) could be used to repay subsidiaries’ third-party borrowings.