XML 53 R42.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Debt and Lines of Credit - Schedule of Long-term Debt Outstanding (Parenthetical) (Details) | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Notes due 2018 at 1.00% |  |
Debt Instrument [Line Items] |  |
Long-term debt stated interest rate (in percentage) | 1.00% | 1.00%
Notes due 2019 at 1.65% |  |
Debt Instrument [Line Items] |  |
Long-term debt stated interest rate (in percentage) | 1.65% | 1.65%
Notes due 2020 at 1.75% |  |
Debt Instrument [Line Items] |  |
Long-term debt stated interest rate (in percentage) | 1.75% | 1.75%
Notes due 2021 at 2.75% |  |
Debt Instrument [Line Items] |  |
Long-term debt stated interest rate (in percentage) | 2.75% | 2.75%
Notes due 2022 at 1.85% |  |
Debt Instrument [Line Items] |  |
Long-term debt stated interest rate (in percentage) | 1.85% | 1.85%
Notes due 2023 at 2.25% |  |
Debt Instrument [Line Items] |  |
Long-term debt stated interest rate (in percentage) | 2.25% | 2.25%
Notes due 2024 at 2.625% |  |
Debt Instrument [Line Items] |  |
Long-term debt stated interest rate (in percentage) | 2.625% | 2.625%
Notes due 2027 at 2.90% |  |
Debt Instrument [Line Items] |  |
Long-term debt stated interest rate (in percentage) | 2.90% | 2.90%
Notes due 2048 at 4.15% |  |
Debt Instrument [Line Items] |  |
Long-term debt stated interest rate (in percentage) | 4.15% | 4.15%

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=txn_FixedOnePointZeroZeroPercentNotesFiveHundredMillionDueTwoThousandAndEighteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=txn_FixedOnePointSixFivePercentNotesSevenHundredAndFiftyMillionDueTwoThousandAndNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=txn_FixedOnePointSevenFivePercentNotesFiveHundredMillionDueTwoThousandAndTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=txn_FixedTwoPointSevenFivePercentNotesDueTwoThousandAndTwentyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=txn_FixedOnePointEightFivePercentNotesFiveHundredMillionDueTwoThousandAndTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=txn_FixedTwoPointTwoFivePercentNotesFiveHundredMillionDueTwoThousandAndTwentyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=txn_FixedTwoPointSixTwoFivePercentNotesThreeHundredMillionDueTwoThousandAndTwentyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=txn_FixedTwoPointTwoNineZeroPercentNotesFiveHundredMillionDueTwoThousandAndTwentySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=txn_FixedFourPointOneFivePercentNotesDueTwoThousandAndFortyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |