Debt Instrument, Number of Series Issued

No definition available.

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Namespace Prefix:	txn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Period Type:	instant

- 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.

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Period Type:	duration

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Balance Type:	debit
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- Definition

Interest and debt related expenses associated with nonoperating financing activities of the entity.

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of interest capitalized during the period.

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Balance Type:	debit
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Debt and lines of credit - Additional Information (Details)	1 Months Ended	3 Months Ended
	Feb. 29, 2024 USD ($) series	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)
Debt Instrument [Line Items]
Commercial paper		$ 0
Proceeds from issuance of long-term debt		2,980,000,000	$ 1,397,000,000
Interest and debt expense		116,000,000	68,000,000
Interest costs capitalized		$ 6,000,000	$ 2,000,000
Notes due 2027 at 4.60%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)		4.60%
Notes due 2029 at 4.60%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)		4.60%
Notes due 2034 at 4.85%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)		4.85%
Notes due 2054 at 5.15%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)		5.15%
Notes due 2063 at 5.05%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)		5.05%
Senior unsecured notes
Debt Instrument [Line Items]
Number of series of debt issued \| series	5
Principal amount	$ 3,000,000,000
Debt issuance costs	16,000,000
Proceeds from issuance of long-term debt	2,980,000,000
Senior unsecured notes \| Notes due 2027 at 4.60%
Debt Instrument [Line Items]
Principal amount	$ 650,000,000
Long-term debt stated interest rate (in percentage)	4.60%
Senior unsecured notes \| Notes due 2029 at 4.60%
Debt Instrument [Line Items]
Principal amount	$ 650,000,000
Long-term debt stated interest rate (in percentage)	4.60%
Senior unsecured notes \| Notes due 2034 at 4.85%
Debt Instrument [Line Items]
Principal amount	$ 600,000,000
Long-term debt stated interest rate (in percentage)	4.85%
Senior unsecured notes \| Notes due 2054 at 5.15%
Debt Instrument [Line Items]
Principal amount	$ 750,000,000
Long-term debt stated interest rate (in percentage)	5.15%
Senior unsecured notes \| Notes due 2063 at 5.05%
Debt Instrument [Line Items]
Principal amount	$ 350,000,000
Long-term debt stated interest rate (in percentage)	5.05%
Revolving credit facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 1,000,000,000