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Cover	3 Months Ended
	Mar. 31, 2026
Cover [Abstract]
Document Type	6-K
Entity File Number	001-40974
Entity Registrant Name	GLOBALFOUNDRIES Inc.
Entity Address, Address Line One	400 Stonebreak Road Extension
Entity Address, City or Town	Malta
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	12020
Document period end date	Mar. 31, 2026
Current fiscal year end date	--12-31
Entity Central Index Key	0001709048
Amendment Flag	false

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End date of current fiscal year in the format --MM-DD.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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Name of the City or Town

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Name of the state or province.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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