v3.25.4

Income Taxes (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) | The compone nts of the provision for income taxes on continuing operations were as follows:
| Year Ended December 31,
Millions of dollars | 2025 | 2024 | 2023
Current income taxes: |  |  |
Federal | $(3) | $10 | $(21)
Foreign | (448) | (571) | (472)
State | (5) | (9) | (12)
Total current income taxes | (456) | (570) | (505)
Deferred income taxes: |  |  |
Federal | (66) | (167) | (123)
Foreign | 10 | 31 | (59)
State | 33 | (12) | (14)
Total deferred income taxes | (23) | (148) | (196)
Income tax provision | $(479) | $(718) | $(701)
Schedule of Income before Income Tax, Domestic and Foreign | The United States and foreign components of income from continuing operations before income taxes were as follows:
| Year Ended December 31,
Millions of dollars | 2025 | 2024 | 2023
United States | $762 | $1,695 | $1,666
Foreign | 1,009 | 1,539 | 1,697
Total income from continuing operations before income taxes | $1,771 | $3,234 | $3,363
Schedule of Effective Income Tax Rate Reconciliation | Reconciliations between the actual provision for income taxes on continuing operations and that computed by applying the United States statutory rate to income from continuing operations before income taxes were as follows:
| Year Ended December 31,
Millions of dollars | 2025
U.S. Federal Statutory Tax Rate | $372 | 21.0%
State and Local Income Tax, Net of Federal Income Tax Effect (a) | (24) | (1.4)
Foreign Tax Effects |  |
Argentina |  |
Intercompany Withholding Tax | 33 | 1.9
Other | 15 | 0.8
Brazil | 27 | 1.5
Cayman Islands |  |
Statutory Tax Rate Difference Between Cayman Islands and United States | 29 | 1.6
Mexico |  |
Foreign Exchange / Inflation Adjustment | (26) | (1.5)
Other | 28 | 1.6
Norway | 23 | 1.3
Saudi Arabia |  |
Intercompany Withholding Tax | 32 | 1.8
Other | (3) | (0.2)
Singapore |  |
Statutory Tax Rate Difference Between Singapore and United States | (35) | (2.0)
Other | 25 | 1.4
United Arab Emirates | (19) | (1.1)
Other Foreign Jurisdictions | 125 | 7.0
Domestic Federal Reconciling Items |  |
Effect of Cross-Border Tax Laws |  |
Foreign Derived Intangible Income Deduction | (135) | (7.6)
Global Intangible Low-Taxed Income | 23 | 1.3
Other | 10 | 0.6
Tax Credits |  |
Foreign Tax Credit | (146) | (8.2)
Research & Development Credit | (50) | (2.8)
Changes in Valuation Allowances | 176 | 9.9
Nontaxable or Nondeductible items | 32 | 1.8
Other Adjustments | (5) | (0.1)
Changes in Unrecognized Tax Benefits | (28) | (1.6)
Effective Tax Rate | $479 | 27.0%
(a) | During the year ended December 31, 2025, state and local income taxes in Texas comprise the majority (greater than 50 percent) of the state and local income taxes, net of federal effect category.
Year Ended December 31, |
| 2024 | 2023
United States statutory rate | 21.0% | 21.0%
Valuation allowance against tax assets | (2.1) | 0.8
Impact of foreign income taxed at different rates | 4.7 | 0.2
State income taxes | 0.6 | 0.7
Impact of impairments and other charges | 0.6 | 0.6
Adjustments of prior year taxes | (2.5) | (1.3)
Other items, net | (0.1) | (1.2)
Total effective tax rate on continuing operations | 22.2% | 20.8%
Schedule of Deferred Tax Assets and Liabilities | The primary components of our deferred tax assets and liabilities were as follows:
| December 31,
Millions of dollars | 2025 | 2024
Gross deferred tax assets: |  |
Foreign tax credit carryforwards | $790 | $950
Intangible assets | 679 | 727
Operating and capital loss carryforwards | 629 | 581
Royalty prepayment | 239 | —
Accrued liabilities | 233 | 227
Employee compensation and benefits | 157 | 170
Research and development tax credit carryforwards | 86 | 85
Other | 813 | 639
Total gross deferred tax assets | 3,626 | 3,379
Gross deferred tax liabilities: |  |
Depreciation and amortization | 197 | 164
Operating lease right-of-use assets | 133 | 144
Other | 63 | 50
Total gross deferred tax liabilities | 393 | 358
Valuation allowances | 943 | 718
Net deferred income tax asset | $2,290 | $2,303
Summary of Tax Credit Carryforwards | Our def erred tax assets from operating and capital losses, foreign tax credits, and research and development credits will expire as follows:
Millions of dollars | U.S. Net Operating Loss | Foreign Operating and Capital Loss | Foreign Tax Credits | Research and Development Credit | Total Deferred Tax Assets
2026-2030 | $5 | $69 | $430 | $— | $504
2031-2035 | 6 | 24 | 353 | — | 383
2036-2045 | 13 | 68 | 36 | 85 | 202
Non-Expiring | 13 | 437 | — | — | 450
| $37 | $598 | $819 | $85 | $1,539
Schedule of Unrecognized Tax Benefits Roll Forward | The following table presents a rollforward of our unrecognized tax benefits and associated interest and penalties.
Millions of dollars | Unrecognized Tax Benefits |  | Interest and Penalties
Balance at January 1, 2023 | $311 |  | $64
Change in prior year tax positions | (38) |  | (10)
Change in current year tax positions | 8 |  | 1
Cash settlements with taxing authorities | (4) |  | (3)
Lapse of statute of limitations | (9) |  | (3)
Balance at December 31, 2023 | $268 | (a) | $49
Change in prior year tax positions | (68) |  | —
Change in current year tax positions | 10 |  | 1
Cash settlements with taxing authorities | (1) |  | (1)
Lapse of statute of limitations | (13) |  | (4)
Balance at December 31, 2024 | $196 | (a) | $45
Change in prior year tax positions | 40 |  | 3
Change in current year tax positions | 15 |  | 2
Cash settlements with taxing authorities | (11) |  | —
Lapse of statute of limitations | (70) |  | (8)
Balance at December 31, 2025 | $170 | (a)(b) | $42
(a) | Includes $36 million as of December 31, 2025, $40 million as of December 31, 2024, and $43 million as of December 31, 2023 in foreign unrecognized tax benefits that would give rise to a United States tax credit. As of December 31, 2025, December 31, 2024, and December 31, 2023, a net $119 million, $137 million and $192 million after a net operating loss carryforward offset, respectively, of unrecognized tax benefits would positively impact the effective tax rate and be recognized as additional tax benefits in our statement of operations if resolved in our favor.
(b) | Includes $24 million as of December 31, 2025 that we believe could be resolved within the next 12 months.
Schedule Income Tax Paid, Net | Income taxes paid (net of refunds received) were as follows:
| Year Ended December 31,
Million of dollars | 2025
US Federal | $27
US State and Local | 9
Foreign |
Mexico | 112
Saudi Arabia | 76
Other | 415
Foreign Subtotal | 603
Total | $639

X
- Definition Schedule Income Tax Paid, Net + References No definition available. + Details
Name: | hal_ScheduleIncomeTaxPaidNetTableTextBlock
Namespace Prefix: | hal_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-9 + Details
Name: | us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 + Details
Name: | us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 217 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-217 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A + Details
Name: | us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of tax credit carryforwards available to reduce future taxable income, including amounts, expiration dates, limitations on use and the related deferred tax assets and valuation allowances. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-3 + Details
Name: | us-gaap_SummaryOfTaxCreditCarryforwardsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration