Revenue - Narrative (Details) $ in Millions	3 Months Ended
Revenue - Narrative (Details) $ in Millions	Mar. 31, 2023 USD ($) industry
Revenue from Contract with Customer [Abstract]
Payment terms	Amounts billed in advance of services being provided are accounted for as deferred revenue. Nearly all of our deferred revenue balance is related to extended hardware and software maintenance contracts. Payment terms and conditions vary by contract type, although payment is typically due within 30 to 90 days of contract inception.
Undelivered performance obligation \| $	$ 118
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Number of industry specific groupings \| industry	3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percent	35.00%
Performance obligation, term	9 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percent	38.00%
Performance obligation, term	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percent	26.00%
Performance obligation, term

NATIONAL INSTRUMENTS CORP 10-Q