v3.22.4
Cover - USD ($)
 12 Months Ended
Dec. 31, 2022
Feb. 10, 2023
Jun. 30, 2022
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-05647    
Entity Registrant Name MATTEL INC /DE/    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 95-1567322    
Entity Address, Address Line One 333 Continental Blvd.    
Entity Address, City or Town El Segundo    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 90245-5012    
City Area Code 310    
Local Phone Number 252-2000    
Title of 12(b) Security Common stock, $1.00 per share    
Trading Symbol MAT    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 7,887,489,151
Entity Common Stock, Shares Outstanding   355,711,972  
Documents Incorporated by Reference Portions of the Mattel, Inc. 2023 Proxy Statement, to be filed with the Securities and Exchange Commission ("SEC") within 120 days after the closing of the registrant's fiscal year (incorporated into Part III to the extent stated herein).    
Amendment Flag false    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Entity Central Index Key 0000063276