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Variable Interest Entities (Narrative) (Details)	9 Months Ended
	Sep. 30, 2025
International Aero Engines AG (IAE)
Variable Interest Entity [Line Items]
Program share interest percentage	61.00%
Ownership share percentage	49.50%
Program share interest percentage after sub-collaborator share	57.00%
International Aero Engines LLC (IAE LLC)
Variable Interest Entity [Line Items]
Program share interest percentage	59.00%
Ownership share percentage	59.00%
Program share interest percentage after sub-collaborator share	51.00%

X

- Definition

Net percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity.

+ References

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Net percentage after sub-collaborator share of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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