Revenue (Details)		3 Months Ended
		Mar. 31, 2023	Apr. 02, 2022
Revenue from External Customer [Line Items]
Percentage of product and maintenance revenue by product group		100.00%	100.00%
Custom Integrated Circuit (“IC”) Design and Simulation
Revenue from External Customer [Line Items]
Percentage of product and maintenance revenue by product group		20.00%	22.00%
Digital IC Design and Signoff
Revenue from External Customer [Line Items]
Percentage of product and maintenance revenue by product group		25.00%	27.00%
Functional Verification, including Emulation and Prototyping Hardware*
Revenue from External Customer [Line Items]
Percentage of product and maintenance revenue by product group	[1]	32.00%	28.00%
Intellectual Property (“IP”)
Revenue from External Customer [Line Items]
Percentage of product and maintenance revenue by product group		11.00%	13.00%
System Design and Analysis
Revenue from External Customer [Line Items]
Percentage of product and maintenance revenue by product group		12.00%	10.00%

[1] Includes immaterial amount of revenue accounted for under leasing arrangements.