Document and Entity Information	Total
Prospectus:
Document Type	497
Document Period End Date	Mar. 16, 2022
Entity Registrant Name	Morgan Stanley Institutional Fund Trust
Entity Central Index Key	0000741375
Entity Inv Company Type	N-1A
Amendment Flag	false
Document Creation Date	Mar. 16, 2022
Document Effective Date	Mar. 16, 2022
Prospectus Date	Jan. 28, 2022
Core Plus Fixed Income Portfolio \| Class A Shares
Prospectus:
Trading Symbol	MFXAX
Core Plus Fixed Income Portfolio \| Class I Shares
Prospectus:
Trading Symbol	MPFIX
Core Plus Fixed Income Portfolio \| Investment Class
Prospectus:
Trading Symbol	MAFIX
Core Plus Fixed Income Portfolio \| Class L
Prospectus:
Trading Symbol	MSIOX
Core Plus Fixed Income Portfolio \| Class C
Prospectus:
Trading Symbol	MSCKX
Core Plus Fixed Income Portfolio \| Class R6
Prospectus:
Trading Symbol	MPLRX
Corporate Bond Portfolio \| Class A Shares
Prospectus:
Trading Symbol	MIGAX
Corporate Bond Portfolio \| Class I Shares
Prospectus:
Trading Symbol	MPFDX
Corporate Bond Portfolio \| Class L Shares
Prospectus:
Trading Symbol	MGILX
Corporate Bond Portfolio \| Class C
Prospectus:
Trading Symbol	MSBOX
High Yield Portfolio \| Class I
Prospectus:
Trading Symbol	MSYIX
High Yield Portfolio \| Class A
Prospectus:
Trading Symbol	MSYPX
High Yield Portfolio \| Class L
Prospectus:
Trading Symbol	MSYLX
High Yield Portfolio \| Class R6
Prospectus:
Trading Symbol	MSHYX
High Yield Portfolio \| Class C
Prospectus:
Trading Symbol	MSHDX
High Yield Portfolio \| Class IR
Prospectus:
Trading Symbol	MRHYX
High Yield Portfolio \| Class W
Prospectus:
Trading Symbol	MSYWX
Short Duration Income Portfolio \| Class I Shares
Prospectus:
Trading Symbol	MPLDX
Short Duration Income Portfolio \| Class A Shares
Prospectus:
Trading Symbol	MLDAX
Short Duration Income Portfolio \| Class L
Prospectus:
Trading Symbol	MSJLX
Short Duration Income Portfolio \| Class C
Prospectus:
Trading Symbol	MSLDX
Short Duration Income Portfolio \| Class R6
Prospectus:
Trading Symbol	MSDSX

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The date the document was made available and submitted, in YYYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.

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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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