v2.3.0.11

Stockholders' Equity (Details) (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011 Common Stock	Jun. 30, 2010 Common Stock	Jun. 30, 2011 Capital in Excess of Par Value	Jun. 30, 2010 Capital in Excess of Par Value	Jun. 30, 2011 Retained Earnings	Jun. 30, 2010 Retained Earnings	Jun. 30, 2011 Accumulated Other Comprehensive Loss	Jun. 30, 2010 Accumulated Other Comprehensive Loss	Jun. 30, 2011 Noncontrolling Interest	Jun. 30, 2010 Noncontrolling Interest	Dec. 31, 2009 Noncontrolling Interest
Stockholders' Equity
Beginning Balance			$ 14,286	$ 7,284	$ 432	$ 312	$ 7,005	$ 874	$ 7,083	$ 6,512	$ (420)	$ (414)	$ 186	$ 0	$ 0
Comprehensive income:
Net income	335	93	719	222					719	222
Foreign currency translation adjustments											83	(120)
Defined benefit pension plans												21
Total comprehensive income			802	123
Issuance of common stock, pursuant to employee stock plans			107	21	4	1	103	20
Issuance of common stock to acquire BJ Services				6,104		118		5,986
Tax provision on stock plans			7	2			7	2
Stock-based compensation costs			53	41			53	41
Cash dividends			(130)	(111)					(130)	(111)
Purchase of subsidiary shares of noncontrolling interests			(1)				(1)
Dividends paid to noncontrolling interests			(4)										(4)
Capital contribution from noncontrolling interest			4										4
Change in noncontrolling interest associated with purchase price adjustment			66										66
Ending Balance	15,190	13,464	15,190	13,464	436	431	7,167	6,923	7,672	6,623	(337)	(513)	252	0	0
Stockholders' Equity (Textuals) [Abstract]
Cash dividends per share	$ 0.15	$ 0.15	$ 0.30	$ 0.30					$ 0.30	$ 0.30
Defined benefit pension plans, tax												$ (4)

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