Non-controlling interest (Tables)

12 Months Ended

Dec. 31, 2012

Non-controlling interest [Abstract]

Changes in non-controlling interest

Changes in non-controlling interest in 2012, 2011 and 2010 are as follows:

(In US$ millions)	Scorpion		Archer			Ship Finance			North Atlantic		Seadrill Partners LLC		Total
December 31, 2010		-		326			213			-		-		539
Changes in 2011		-		(320	)		(46	)		71		-		(295	)
2011 net (loss)/income		-		(6	)		48			39		-		81
December 31, 2011		-		-			215			110		-		325
Changes in 2012		-		-			20			10		69		99
2012 net (loss)/income		-		-			39			48		10		97
December 31, 2012		-		-			274			168		79		521