Trade and other payables (Tables)

12 Months Ended

Dec. 31, 2018

Subclassifications of assets, liabilities and equities [abstract]

Schedule of trade and other payables

				$ million
		2018		2017
	Current	Non-current	Current	Non-current
Financial liabilities
Trade payables	26,252	—	26,983	—
Amounts payable to joint ventures and associates	2,369	—	1,857	—
Payables for capital expenditure and acquisitionsa	7,325	1,345	3,810	1,269
Payables related to the Gulf of Mexico oil spillb	2,279	11,922	2,089	12,253
Other payables	4,980	318	5,733	60
	43,205	13,585	40,472	13,582
Non-financial liabilities
Sales taxes, customs duties, production taxes and social security	2,272	35	2,586	50
Other payables	788	210	1,151	257
	3,060	245	3,737	307
	46,265	13,830	44,209	13,889

^a  Includes $3,514 million deferred consideration relating to the acquisition of Petrohawk Energy Corporation from BHP Billiton Petroleum (North America) Inc. See Note 3 for further information.

^b See Note 2 for further information.