8. Goodwill

In connection with the change in reportable segments as discussed in Note 14 Segment Information, Schlumberger reallocated the goodwill that existed as of December 31, 2010 to the new reporting units on a relative fair value basis.

The changes in the carrying amount of goodwill by reporting unit for the six months ended June 30, 2011 were as follows:


	(Stated in millions)
	Reservoir			Reservoir
	Characterization			Production			Drilling			Distribution		Total
Balance at January 1, 2011	$	3,381		$	2,351		$	8,150		$	70	$	13,952
Adjustments relating to Smith acquisition		—			(1	)		(43	)		8		(36	)
Divestiture of business		(51	)		—			—			—		(51	)
Impact of changes in exchange rates and other acquisitions		16			13			41			—		70

Balance at June 30, 2011	$	3,346		$	2,363		$	8,148		$	78	$	13,935