| Cover page Document | Jan. 30, 2020 |
| DEI [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Jan. 30, 2020 |
| Entity Registrant Name | HALLIBURTON COMPANY |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 3000 North Sam Houston Parkway East |
| Entity Address, City or Town | Houston |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77032 |
| Entity File Number | 001-03492 |
| Entity Tax Identification Number | 75-2677995 |
| City Area Code | 281 |
| Local Phone Number | 871-2699 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Title of 12(b) Security | Common Stock, par value $2.50 per share |
| Trading Symbol | HAL |
| Security Exchange Name | NYSE |
| Entity Central Index Key | 0000045012 |
| Amendment Flag | false |
