XML 75 R56.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Stock Compensation - Options Vested and Expected to Vest (Parenthetical) (Details) - Long-term incentive and director compensation plans - Employee Stock Option shares in Millions, $ in Millions | Dec. 31, 2016 USD ($) shares
--- | ---
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Expected forfeitures, effects of which are included (in shares) | shares | 1
Aggregate intrinsic value of stock options outstanding, excluding the effects of expected forfeitures | $ | $ 1,624

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Expected Forfeitures in Period + References No definition available. + Details
Name: | txn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingExpectedForfeituresInPeriod
Namespace Prefix: | txn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_PlanNameAxis=txn_LongTermIncentiveAndDirectorCompensationPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |