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Cover
Nov. 21, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 21, 2025
Entity File Number 811-21901
Entity Registrant Name abrdn Global Dynamic Dividend Fund
Entity Central Index Key 0001362481
Entity Tax Identification Number 20-4924557
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 1900 Market Street
Entity Address, Address Line Two Suite 200
Entity Address, City or Town Philadelphia
Entity Address, State or Province PA
Entity Address, Postal Zip Code 19103
City Area Code 800
Local Phone Number 522-5465
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares of Beneficial Interest
Trading Symbol AGD
Security Exchange Name NYSE
Entity Emerging Growth Company false