Document And Entity Information (USD $)
 6 Months Ended
Jun. 30, 2011
Jul. 15, 2011
Jun. 30, 2010
Entity Registrant Name Halliburton Company    
Entity Central Index Key 0000045012    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 22,217,000,000
Entity Common Stock, Shares Outstanding   919,636,645  
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus Q2    
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Jun. 30, 2011