XML 85 R70.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Postretirement Benefit Plans - Weighted Average Allocations (Details) | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fixed income securities and cash equivalents | U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual plan asset allocation (in percent) | 61.00% | 65.00%
Fixed income securities and cash equivalents | U.S. | Retiree Health Care |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual plan asset allocation (in percent) | 80.00% | 80.00%
Fixed income securities and cash equivalents | Non-U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual plan asset allocation (in percent) | 77.00% | 77.00%
Fixed income securities and cash equivalents | Minimum | U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 60.00% |
Fixed income securities and cash equivalents | Minimum | U.S. | Retiree Health Care |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 75.00% |
Fixed income securities and cash equivalents | Minimum | Non-U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 60.00% |
Fixed income securities and cash equivalents | Maximum | U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 75.00% |
Fixed income securities and cash equivalents | Maximum | U.S. | Retiree Health Care |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 85.00% |
Fixed income securities and cash equivalents | Maximum | Non-U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 100.00% |
Equity securities | U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual plan asset allocation (in percent) | 39.00% | 35.00%
Equity securities | U.S. | Retiree Health Care |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual plan asset allocation (in percent) | 20.00% | 20.00%
Equity securities | Non-U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual plan asset allocation (in percent) | 23.00% | 23.00%
Equity securities | Minimum | U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 25.00% |
Equity securities | Minimum | U.S. | Retiree Health Care |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 15.00% |
Equity securities | Minimum | Non-U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 0.00% |
Equity securities | Maximum | U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 40.00% |
Equity securities | Maximum | U.S. | Retiree Health Care |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 25.00% |
Equity securities | Maximum | Non-U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 40.00% |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=txn_FixedIncomeSecuritiesAndCashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_DefinedBenefitPostretirementHealthCoverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=us-gaap_ForeignPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |