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Goodwill (Tables)

12 Months Ended

Dec. 31, 2011


(Stated in millions)
	Reservoir Characterization			Drilling			Reservoir Production			Distribution		Total
Balance at January 1, 2011		$3,381			$8,150			$2,351			$70		$13,952
Adjustments relating to Smith acquisition		–			175			13			6		194
Other acquisitions		42			45			–			–		87
Divestiture of business		(51	)		–			–			–		(51	)
Impact of changes in exchange rates		(12	)		(8	)		(8	)		–		(28	)

Balance, December 31, 2011		$3,360			$8,362			$2,356			$76		$14,154

Changes in the carrying amount of goodwill


(Stated in millions)
Balance, January 1, 2010	$	5,305
Acquisition of Smith		7,892
Other additions		761
Impact of change in exchange rates		(6	)

Balance, December 31, 2010	$	13,952

- Definition

Tabular disclosure of goodwill by reportable segment and in total. Disclosure details may include, but are not limited to, the carrying amount of goodwill, goodwill acquired during the year, goodwill impairment losses recognized, goodwill written-off due to the sale of a business unit, goodwill not yet allocated, and any other changes to goodwill.

+ References+ Details