2.2.0.7 false Acquisitions (Policies) 0402 - Disclosure - Acquisitions (Policies) true false false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Acquisitions (Policies) [Abstract] 0 bhi_AcquisitionsPoliciesAbstract bhi false na duration Acquisitions. false false false false false true false false false false false false 1 false false false false 0 0 false false false xbrli:stringItemType string Acquisitions. false 3 Business Combinations 1 us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0   <div style="font-family: 'Times New Roman',Times,serif"> <div align="left" style="font-size: 10pt; margin-top: 12pt"><b>Recording of Assets Acquired and Liabilities Assumed</b> </div> <div align="left" style="font-size: 10pt; margin-top: 6pt">     The transaction has been accounted for using the acquisition method of accounting which requires that, among other things, assets acquired and liabilities assumed be recorded at their fair values as of the Acquisition Date. The excess of the consideration transferred over those fair values is recorded as goodwill. We have not finalized the determination of the fair values of the assets acquired and liabilities assumed and therefore, the fair values set forth below are subject to adjustment once the valuations are completed. We have not finalized the determination of the estimated useful lives and methods to be used in calculating the amortization and depreciation expense related to the tangible and intangible assets recorded as a result of the acquisition of BJ Services. We will finalize these items as we obtain the information necessary to complete the analysis. We expect to be substantially complete with this analysis during the third quarter of 2010. However, under U.S. GAAP, companies have one year after an acquisition to finalize the acquisition accounting. The provisional amounts recorded for assets acquired and liabilities assumed were based on preliminary estimates of their fair value as of the Acquisition Date and are as follows: </div> </div>  <!-- Begin Block Tagged false false false us-types:textBlockItemType textblock Describes the entity's accounting policies for business combinations and other business acquisition transactions not accounted for using the purchase method, such as an exchange of shares between entities under common control. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 9, 10, 11, 12, 13 false 1 2 false UnKnown UnKnown UnKnown false true