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Segment information - Narrative (Details)	Dec. 31, 2024 segment region
Operating Segments [Abstract]
Number of reportable segments | segment	2
Number of operating regions | region	2

X

- Definition

Number Of Operating Regions

+ References

No definition available.

+ Details

Name:	ttam_NumberOfOperatingRegions
Namespace Prefix:	ttam_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Operating Segments [Abstract]

+ References

No definition available.

+ Details

Name:	ttam_OperatingSegmentsAbstract
Namespace Prefix:	ttam_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Reportable Segments, Number

+ References

No definition available.

+ Details

Name:	ttam_ReportableSegmentsNumber
Namespace Prefix:	ttam_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant