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Restructuring charges/other (Details) (USD $)
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12 Months Ended |
15 Months Ended |
24 Months Ended |
26 Months Ended |
36 Months Ended |
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2014
Jobs
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Dec. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2014
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| Restructuring and Related Cost [Line Items] |
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| Restructuring charges |
$ 20,000,000us-gaap_RestructuringCharges |
[1] |
$ 126,000,000us-gaap_RestructuringCharges |
[1] |
$ 400,000,000us-gaap_RestructuringCharges |
[1] |
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| Payments for severance costs |
124,000,000us-gaap_PaymentsForRestructuring |
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292,000,000us-gaap_PaymentsForRestructuring |
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46,000,000us-gaap_PaymentsForRestructuring |
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| Goodwill impairment loss |
0us-gaap_GoodwillImpairmentLoss |
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0us-gaap_GoodwillImpairmentLoss |
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90,000,000us-gaap_GoodwillImpairmentLoss |
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| Gains on sales of assets |
75,000,000us-gaap_GainLossOnSaleOfOtherAssets |
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0us-gaap_GainLossOnSaleOfOtherAssets |
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0us-gaap_GainLossOnSaleOfOtherAssets |
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| Gain on technology transfer |
0us-gaap_GainLossOnDispositionOfIntangibleAssets |
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315,000,000us-gaap_GainLossOnDispositionOfIntangibleAssets |
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0us-gaap_GainLossOnDispositionOfIntangibleAssets |
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| Gain on transfer of Japan substitutional pension |
0txn_IncreaseDecreaseGainonTransferofSubstitutionalPension |
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0txn_IncreaseDecreaseGainonTransferofSubstitutionalPension |
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144,000,000txn_IncreaseDecreaseGainonTransferofSubstitutionalPension |
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| Semiconductor manufacturing facilities in Hiji, Japan, and Houston, Texas |
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| Restructuring and Related Cost [Line Items] |
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| Gains on sales of assets |
17,000,000us-gaap_GainLossOnSaleOfOtherAssets
/ us-gaap_StatementGeographicalAxis
= txn_SemiconductorManufacturingFacilitiesInHijiJapanAndHoustonTexasMember |
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| Semiconductor manufacturing facility in Nice, France |
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| Restructuring and Related Cost [Line Items] |
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| Gains on sales of assets |
30,000,000us-gaap_GainLossOnSaleOfOtherAssets
/ us-gaap_StatementGeographicalAxis
= txn_SemiconductormanufacturingfacilityinNiceFranceMember |
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| Real estate in Santa Clara, California |
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| Restructuring and Related Cost [Line Items] |
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| Gains on sales of assets |
28,000,000us-gaap_GainLossOnSaleOfOtherAssets
/ us-gaap_StatementGeographicalAxis
= txn_RealestateinSantaClaraCaliforniaMember |
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| 2013 Actions |
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| Restructuring and Related Cost [Line Items] |
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| Expected number of positions eliminated |
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1,100us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated
/ us-gaap_RestructuringPlanAxis
= txn_A2013ActionMember |
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| Restructuring charges |
26,000,000us-gaap_RestructuringCharges
/ us-gaap_RestructuringPlanAxis
= txn_A2013ActionMember |
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49,000,000us-gaap_RestructuringCharges
/ us-gaap_RestructuringPlanAxis
= txn_A2013ActionMember |
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0us-gaap_RestructuringCharges
/ us-gaap_RestructuringPlanAxis
= txn_A2013ActionMember |
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75,000,000us-gaap_RestructuringCharges
/ us-gaap_RestructuringPlanAxis
= txn_A2013ActionMember |
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| Prior Actions |
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| Restructuring and Related Cost [Line Items] |
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| Restructuring charges |
(6,000,000)us-gaap_RestructuringCharges
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember |
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77,000,000us-gaap_RestructuringCharges
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember |
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400,000,000us-gaap_RestructuringCharges
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember |
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| Prior Actions | Semiconductor manufacturing facilities in Hiji, Japan, and Houston, Texas |
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| Restructuring and Related Cost [Line Items] |
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| Restructuring charges |
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200,000,000us-gaap_RestructuringCharges
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember
/ us-gaap_StatementGeographicalAxis
= txn_SemiconductorManufacturingFacilitiesInHijiJapanAndHoustonTexasMember |
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| Restructuring and related activities, Number of facilities closing |
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2txn_RestructuringAndRelatedActivitiesNumberOfFacilitiesClosing
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember
/ us-gaap_StatementGeographicalAxis
= txn_SemiconductorManufacturingFacilitiesInHijiJapanAndHoustonTexasMember |
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| Former Reporting Segment Wireless | Prior Actions |
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| Restructuring and Related Cost [Line Items] |
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| Restructuring charges |
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383,000,000us-gaap_RestructuringCharges
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember
/ us-gaap_StatementBusinessSegmentsAxis
= txn_FormerReportingSegmentWirelessMember |
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| Goodwill impairment loss |
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90,000,000us-gaap_GoodwillImpairmentLoss
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember
/ us-gaap_StatementBusinessSegmentsAxis
= txn_FormerReportingSegmentWirelessMember |
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| Employee Severance And Benefits Charges Reserves Member | 2013 Actions |
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| Restructuring and Related Cost [Line Items] |
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| Restructuring charges |
16,000,000us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_A2013ActionMember |
[1] |
49,000,000us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_A2013ActionMember |
[1] |
0us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_A2013ActionMember |
[1] |
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| Payments for severance costs |
43,000,000us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_A2013ActionMember |
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0us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_A2013ActionMember |
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0us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_A2013ActionMember |
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43,000,000us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_A2013ActionMember |
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| Employee Severance And Benefits Charges Reserves Member | Prior Actions |
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| Restructuring and Related Cost [Line Items] |
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| Restructuring charges |
(6,000,000)us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember |
[1] |
36,000,000us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember |
[1] |
251,000,000us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember |
[1] |
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| Payments for severance costs |
73,000,000us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember |
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266,000,000us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember |
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23,000,000us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember |
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| Employee Severance And Benefits Charges Reserves Member | Prior Actions | Semiconductor manufacturing facilities in Hiji, Japan, and Houston, Texas |
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| Restructuring and Related Cost [Line Items] |
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| Payments for severance costs |
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103,000,000us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember
/ us-gaap_StatementGeographicalAxis
= txn_SemiconductorManufacturingFacilitiesInHijiJapanAndHoustonTexasMember |
| Employee Severance And Benefits Charges Reserves Member | Former Reporting Segment Wireless | Prior Actions |
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| Restructuring and Related Cost [Line Items] |
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| Payments for severance costs |
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$ 247,000,000us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= txn_EmployeeSeveranceAndBenefitsChargesReservesMember
/ us-gaap_RestructuringPlanAxis
= txn_PriorActionsMember
/ us-gaap_StatementBusinessSegmentsAxis
= txn_FormerReportingSegmentWirelessMember |
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