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Income taxes (Details) (USD $)
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12 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, 2011
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| Income Tax Contingency [Line Items] | ||||
| Discrete tax benefits related to reinstatement of the U.S. R&D tax credit | $ 79,000,000us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability | |||
| Discrete tax benefits related to U.S. benefit for manufacturing | 252,000,000txn_IncomeTaxReconciliationDiscreteTaxBenefit | |||
| Deferred tax asset, change in amount related to unutilized tax credits | 24,000,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount | |||
| Tax loss carryforward, U.S. and non-U.S. | 108,000,000us-gaap_TaxCreditCarryforwardAmount | |||
| Tax loss carryforward, U.S. and non-U.S., set to expire | 0txn_TaxCreditCarryforwardAmountSetToExpire | |||
| Amount of undistributed foreign earnings | 7,670,000,000us-gaap_UndistributedEarningsOfForeignSubsidiaries | |||
| Cash payments for income taxes | 1,104,000,000us-gaap_IncomeTaxesPaidNet | 569,000,000us-gaap_IncomeTaxesPaidNet | 171,000,000us-gaap_IncomeTaxesPaidNet | |
| Amount of deferred tax assets possibly to be realized | 56,000,000txn_AmountOfDeferredTaxAssetsPossiblyToBeRealized | 76,000,000txn_AmountOfDeferredTaxAssetsPossiblyToBeRealized | ||
| Unrecognized tax benefits | 108,000,000us-gaap_UnrecognizedTaxBenefits | 91,000,000us-gaap_UnrecognizedTaxBenefits | 184,000,000us-gaap_UnrecognizedTaxBenefits | 210,000,000us-gaap_UnrecognizedTaxBenefits |
| Audit Assessments Not Made | ||||
| Income Tax Contingency [Line Items] | ||||
| Unrecognized tax benefits | 76,000,000us-gaap_UnrecognizedTaxBenefits / us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis = txn_AuditAssessmentsNotMadeMember |
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| Change in Accounting Method Accounted for as Change in Estimate | ||||
| Income Tax Contingency [Line Items] | ||||
| Amount of unrecorded changes in unrecognized tax benefits | 52,000,000us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit / us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis = txn_CumulativeeffectofChangeinTaxDeprecationMethodMember |
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| Audit Assessments | ||||
| Income Tax Contingency [Line Items] | ||||
| Unrecognized tax benefits | 32,000,000us-gaap_UnrecognizedTaxBenefits / us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis = txn_AuditAssessmentsMember |
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| Increase Liability for Transfer Pricing Issues | ||||
| Income Tax Contingency [Line Items] | ||||
| Amount of unrecorded changes in unrecognized tax benefits | 29,000,000us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit / us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis = txn_IncreaseLiabilityForTransferPricingIssuesMember |
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| Settlement with Taxing Authority | ||||
| Income Tax Contingency [Line Items] | ||||
| Amount of unrecorded changes in unrecognized tax benefits | 29,000,000us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit / us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis = us-gaap_SettlementWithTaxingAuthorityMember |
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| Foreign Tax Authority | ||||
| Income Tax Contingency [Line Items] | ||||
| Benefits from tax holidays | $ 44,000,000us-gaap_IncomeTaxReconciliationTaxHolidays / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
$ 40,000,000us-gaap_IncomeTaxReconciliationTaxHolidays / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
$ 51,000,000us-gaap_IncomeTaxReconciliationTaxHolidays / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
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| Tax holiday, review time period | 5 years | |||
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- Definition
The amount of the deferred tax assets that possibly will be realized from recognition of uncertain tax position as of the balance sheet date. No definition available.
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- Definition
The net total of all tax benefits recognized as discrete tax items in the provision for income taxes on the income statement and included within the reconciliation of the federal statutory tax rate to the effective tax rate. No definition available.
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- Definition
The amount of the tax credit carryforward set to expire, before tax effects, available to reduce future taxable income under enacted tax laws. No definition available.
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- Definition
The time period, after which a tax holiday is required to undergo governmental review. No definition available.
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- Definition
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of income tax expense (benefit) from continuing operations attributable to an adjustment 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income exempt from income tax because of a tax holiday. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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