v2.3.0.15

Acquisitions (Details Textual) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended
	Apr. 30, 2010	Mar. 31, 2011	Apr. 28, 2010
Acquisitions (Textuals) [Abstract]
Percentage of outstanding common stock acquired of BJ Services			100.00%
Acquisition of outstanding common stock in consideration of cash and stock transaction			$ 6,897
Total amount of cash paid for acquisition			793
Total amount of shares issued for acquisition	118
Total valuation of shares issued based upon the closing price of common stock			6,048
BJ Stock options exchanged at fair value			56
Increase in fair value of noncontrolling interests		68
Decrease in fair value of deferred tax liabilities and other taxes		21
Adjustment related to deferred taxes and other tax liabilities at fair value		1,262
Adjustment related to noncontrolling interests at fair value		202
Goodwill recorded as the excess of consideration transferred			$ 4,406

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-Paragraph 51

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Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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