New Accounting Pronouncements (Details) $ in Millions	Dec. 31, 2014 USD ($)
New Accounting Pronouncements [Abstract]
Effect of early adoption of debt issuance costs standard	$ 75
Effect of early adoption of deferred income taxes standard to total current assets	421
Effect of early adoption of deferred income taxes standard to total current liabilities	$ 17

The effect of early adoption of deferred income taxes standard to the balance sheet as a reduction to total current liabilities and increase to other liabilities.

No definition available.

Name:	hal_Effectofearlyadoptionofdeferredincometaxesstandardtototalcurrentliabilities
Namespace Prefix:	hal_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant