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Stock-based compensation (Details) (USD $)
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12 Months Ended |
0 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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Jan. 02, 2015
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| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
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| Future compensation cost not yet recognized in the Statements of Income |
308,000,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized |
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| Future compensation costs to be recognized in 2015 |
168,000,000txn_ShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsAmountToBeRecognizedInYearOne |
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| Future compensation costs to be recognized in 2016 |
91,000,000txn_ShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsAmountToBeRecognizedInYearTwo |
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| Future compensation costs to be recognized in 2017 |
44,000,000txn_ShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsAmountToBeRecognizedInYearThree |
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| Future compensation costs to be recognized in 2018 |
5,000,000txn_ShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsAmountToBeRecognizedInYearFour |
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| Remaining stock repurchase authorizations |
3,170,000,000us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 |
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| Employee Stock Option |
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| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
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| Award vesting period (in years) |
4 years |
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| Look back period to determine option life used in Black Scholes Merton pricing model |
10 years |
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| Restricted Stock Units (RSUs) |
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| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
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| Award vesting period (in years) |
4 years |
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| Long-term incentive and director compensation plans | Employee Stock Option |
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| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
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| Long-term incentive and director compensation plans option pricing (in percent) |
100.00%txn_LongTermIncentiveShareBasedCompensationArrangementPercentageOfMarketPriceOptionPricing
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
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| Term of the long term incentive stock options |
10 years |
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| Award vesting period (in years) |
4 years |
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| Aggregate intrinsic value of options exercised |
367,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
427,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
244,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
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| Future compensation cost not yet recognized in the Statements of Income |
113,000,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
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| Weighted-average exercise price, Exercised (in dollars per share) |
27.75us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
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| Outstanding options exercisable (in shares) |
27,601,866us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
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| Long-term incentive and director compensation plans | Restricted Stock Units (RSUs) |
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| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
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| Award vesting period (in years) |
4 years |
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| Long-term incentive plan RSU conversion to common stock feature |
Each RSU represents the right to receive one share of TI common stock on the vesting date |
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| Weighted-average grant-date fair value, Granted (in dollars per share) |
44.71us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
$ 33.70us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
$ 31.60us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
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| Total fair value of shares vested from RSU lapses |
133,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
98,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
120,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
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| Future compensation cost not yet recognized in the Statements of Income |
195,000,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= txn_LongTermIncentiveAndDirectorCompensationPlansMember |
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| TI employees 2005 stock purchase plan |
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| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
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| Percent of the underlying common stock's market price participants pay for options (in hundredths) |
85.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPriceOfferingDate
/ us-gaap_PlanNameAxis
= txn_A2005EmployeeStockPurchasePlanMember |
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| Employee stock purchase plan option term (in months) |
3 months |
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| Aggregate intrinsic value of options exercised |
12,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_PlanNameAxis
= txn_A2005EmployeeStockPurchasePlanMember |
$ 13,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_PlanNameAxis
= txn_A2005EmployeeStockPurchasePlanMember |
$ 13,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_PlanNameAxis
= txn_A2005EmployeeStockPurchasePlanMember |
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| Weighted-average exercise price, Exercised (in dollars per share) |
39.44us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= txn_A2005EmployeeStockPurchasePlanMember |
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| Outstanding options exercisable (in shares) |
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_PlanNameAxis
= txn_A2005EmployeeStockPurchasePlanMember |
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| Weighted average grant date fair value of options granted (dollars per share) |
7.34txn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEmployeeStockPurchasePlanGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_PlanNameAxis
= txn_A2005EmployeeStockPurchasePlanMember |
$ 5.71txn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEmployeeStockPurchasePlanGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_PlanNameAxis
= txn_A2005EmployeeStockPurchasePlanMember |
$ 4.52txn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEmployeeStockPurchasePlanGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_PlanNameAxis
= txn_A2005EmployeeStockPurchasePlanMember |
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| Subsequent Event | TI employees 2005 stock purchase plan |
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| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
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| Weighted-average exercise price, Exercised (in dollars per share) |
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$ 45.46us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= txn_A2005EmployeeStockPurchasePlanMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember |
| Annual Vesting | Employee Stock Option |
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| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
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| Non-qualified stock options award vesting rights |
25.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_VestingAxis
= txn_AnnualVestingMember |
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