Segment Information

3 Months Ended

Mar. 31, 2012

Segment Information [Abstract]

Segment Information

13. Segment Information

							(Stated in millions)
	First Quarter 2012						First Quarter 2011
	Revenue			Income before taxes			Revenue			Income before taxes
Oilfield Services
Reservoir Characterization	$	2,586		$	672		$	2,193		$	460
Drilling (1)		3,785			657			3,112			465
Production (1)		3,539			621			2,808			531
Eliminations & other		8			(7	)		9			(1	)
		9,918			1,943			8,122			1,455
Distribution		713			35			601			22
Eliminations		(20	)		—			(7	)		—
		693			35			594			22
Corporate & other		—			(172	)		—			(143	)
Interest income (2)		—			10			—			9
Interest expense (3)		—			(80	)		—			(71	)
Charges and credits (see Note 2)		—			(15	)		—			(34	)
	$	10,611		$	1,721		$	8,716		$	1,238

⁽¹⁾  Effective January 1, 2012, a component of the Drilling Group has been reallocated to the Production Group. Historical segment information has been reclassified to conform to this new presentation.

^{(2 )}  Excludes interest income included in the segment results ($- million in 2012; $- million in 2011).

^{(3 )}  Excludes interest expense included in the segment results ($- million in 2012; $2 million in 2011).