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FAIR VALUE MEASUREMENTS - Carrying Amounts and Fair Values of Financial Instruments (Details) - USD ($) $ in Millions | Jun. 28, 2025 | Sep. 30, 2024
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Cash and cash equivalents |  | $ 2,792 | $ 6,261
Short-term borrowings—trade receivable securitization facility |  | 650 | 486
Long-term Debt |  | 24,362 | 24,394
Prepaid expenses and other |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest Rate Swap Assets | [1] | 11 | 34
Interest Rate Cap Agreements | [1] | 9 | 20
Foreign Currency Contract, Asset | [1] | 1 | 3
Other non-current assets |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest Rate Collar Assets | [2] | 8 | 3
Accrued and other current liabilities |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest rate swap agreements | [3] | 0 | 1
Interest Rate Cap Liabilities Carrying Amount | [3] | 0 | 1
Other non-current liabilities |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest Rate Collar Agreement, Liability | [4] | 5 | 8
Term loans |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt | [5] | 8,607 | 8,642
Government refundable advances |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt |  | 12 | 17
Finance Lease Obligations |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt |  | 279 | 262
Level 1 |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Cash and cash equivalents, Fair Value |  | 2,792 | 6,261
Level 2 | Prepaid expenses and other |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest Rate Swap Assets | [1] | 11 | 34
Interest Rate Cap Agreements | [1] | 9 | 20
Foreign Currency Contract, Asset | [1] | 1 | 3
Level 2 | Other non-current assets |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest Rate Collar Assets | [2] | 8 | 3
Level 2 | Accrued and other current liabilities |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest rate swap agreements | [3] | 0 | 1
Interest Rate Cap Liabilities Carrying Amount | [3] | 0 | 1
Level 2 | Other non-current liabilities |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest Rate Collar Agreement, Liability | [4] | 5 | 8
Level 2 | Term loans |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value | [5] | 8,690 | 8,694
Level 2 | Government refundable advances |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value |  | 12 | 17
Level 2 | Finance Lease Obligations |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value |  | 279 | 262
Senior Subordinated Notes $2650M Due 2027 5.50% | Senior Subordinated Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt | [5] | 0 | 2,641
Senior Subordinated Notes $2650M Due 2027 5.50% | Level 1 | Senior Subordinated Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value | [5] | 0 | 2,637
Senior Secured Notes $2,100M due 2028 6.75% | Secured Debt |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt | [5] | 2,081 | 2,077
Senior Secured Notes $2,100M due 2028 6.75% | Level 1 | Secured Debt |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value | [5] | 2,145 | 2,160
Senior Subordinated Notes $1200M Due 2029 4.625% | Senior Subordinated Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt | [5] | 1,195 | 1,194
Senior Subordinated Notes $1200M Due 2029 4.625% | Level 1 | Senior Subordinated Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value | [5] | 1,178 | 1,160
Senior Secured Notes $2,750M due 2029 6.375% | Secured Debt |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt | [5] | 2,730 | 2,727
Senior Secured Notes $2,750M due 2029 6.375% | Level 1 | Secured Debt |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value | [5] | 2,815 | 2,836
Senior Subordinated Notes $750M due 2029 4.875% | Senior Subordinated Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt | [5] | 747 | 746
Senior Subordinated Notes $750M due 2029 4.875% | Level 1 | Senior Subordinated Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value | [5] | 737 | 729
Senior Secured Notes $1,450M due 2030 | Secured Debt |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt | [5] | 1,439 | 1,438
Senior Secured Notes $1,450M due 2030 | Level 1 | Secured Debt |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value | [5] | 1,504 | 1,519
Senior Secured Notes $1,000M due 2031 7.125% | Secured Debt |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt | [5] | 986 | 984
Senior Secured Notes $1,000M due 2031 7.125% | Level 1 | Secured Debt |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value | [5] | 1,049 | 1,058
Senior Secured Notes $2,200M due 2032 6.625% | Secured Debt |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt | [5] | 2,183 | 2,180
Senior Secured Notes $2,200M due 2032 6.625% | Level 1 | Secured Debt |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value | [5] | 2,277 | 2,291
Senior Secured Notes $1,500M due 2033 6.00% | Secured Debt |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt | [5] | 1,487 | 1,486
Senior Secured Notes $1,500M due 2033 6.00% | Level 1 | Secured Debt |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value | [5] | 1,508 | 1,521
Senior Subordinated Notes $2,650M due 2033 6.375% | Senior Subordinated Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term Debt | [5] | 2,616 | 0
Senior Subordinated Notes $2,650M due 2033 6.375% | Level 1 | Senior Subordinated Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion, Fair Value | [5] | 2,663 | 0
Asset-backed Securities |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Short-term borrowings—trade receivable securitization facility | [5] | 650 | 486
Asset-backed Securities | Level 2 |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Short-term borrowings - trade receivable securitization facility, Fair Value | [5] | $ 650 | $ 486
[1] | Included in prepaid expenses and other on the condensed consolidated balance sheets.
[2] | Included in other non-current assets on the condensed consolidated balance sheets.
[3] | Included in accrued and other current liabilities on the condensed consolidated balance sheets.
[4] | Included in other non-current liabilities on the condensed consolidated balance sheets.
[5] | The carrying amount of the debt instrument is presented net of debt issuance costs and original issue discount. Refer to Note 8, “Debt,” for gross carrying amounts.

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