Revenue (Details)		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2022
Revenue from External Customer [Line Items]
Percentage of product and maintenance revenue by product group		100.00%	100.00%	100.00%
Custom IC Design and Simulation [Member]
Revenue from External Customer [Line Items]
Percentage of product and maintenance revenue by product group		22.00%	22.00%	23.00%
Digital IC Design and Signoff [Member]
Revenue from External Customer [Line Items]
Percentage of product and maintenance revenue by product group		27.00%	28.00%	29.00%
Functional Verification, including Emulation and Prototyping Hardware [Member]
Revenue from External Customer [Line Items]
Percentage of product and maintenance revenue by product group	[1]	27.00%	26.00%	24.00%
IP [Member]
Revenue from External Customer [Line Items]
Percentage of product and maintenance revenue by product group		12.00%	12.00%	13.00%
System Design and Analysis [Member]
Revenue from External Customer [Line Items]
Percentage of product and maintenance revenue by product group		12.00%	12.00%	11.00%

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