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Payables and Accruals (Details) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
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Payables and Accruals [Abstract] |  |
Outstanding Supplier Finance Payment Obligation | $ 302 | $ 322

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- Definition Outstanding Supplier Finance Payment Obligation + References No definition available. + Details
Name: | hal_OutstandingSupplierFinancePaymentObligation
Namespace Prefix: | hal_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_PayablesAndAccrualsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration