Government refundable advances

No definition available.

Name:	tdg_Governmentrefundableadvances
Namespace Prefix:	tdg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Long Term Debt, Principal Amount, Guaranteed

+ References

No definition available.

+ Details

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Namespace Prefix:	tdg_
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- Definition

Original Issue Discount Rate

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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Period Type:	duration

- Definition

Amount of the required periodic payments applied to principal.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
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- Definition

Amount, after accumulated amortization, of debt discount.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt discount (premium).

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Balance Type:	debit
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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

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Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Period Type:	instant

- Details

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DEBT - Additional Debt Instruments (Details) - USD ($) $ in Millions		3 Months Ended
	Nov. 28, 2023	Dec. 30, 2023	Sep. 30, 2023	Jul. 25, 2023
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net		$ 61	$ 56
Long Term Debt, Principal Amount, Guaranteed		200
Finance lease obligations		254	193
Asset-backed Securities
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net		$ 0	0
Debt Instrument, Term		1 year
Tranche J Term Loans
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,000
Original Issue Discount Rate	0.25%
Debt Instrument, Unamortized Discount (Premium), Net	$ 3
Debt Instrument, Periodic Payment, Principal	$ 3
Debt Issuance Costs, Gross		$ 10
Tranche J Term Loans \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate	3.25%
Senior Secured Notes $1,000M due 2031 7.125%
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,000
Interest rate	7.125%
Debt Issuance Costs, Gross		10
Debt Instrument, Redemption Price, Percentage	99.25%
Debt Instrument, Unamortized Discount	$ 8
Securitization Facility
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		350		$ 450
Long-Term Line of Credit		$ 100
Debt, Weighted Average Interest Rate		6.99%
Securitization Facility \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate				1.60%
Government refundable advances
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net		$ 0	0
Government refundable advances		21	21
Finance Lease Obligations
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net		0	0
Finance lease obligations		$ 254	$ 193