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DEBT - Schedule of Debt (Details) - USD ($) | Jun. 29, 2024 | Sep. 30, 2023
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Debt Instrument [Line Items] |  |  |
Gross Amount |  | $ 21,607,000,000 | $ 19,563,000,000
Debt Issuance Costs |  | (116,000,000) | (106,000,000)
Original Issue (Discount) Premium |  | (49,000,000) | (56,000,000)
Short-term borrowings—trade receivable securitization facility |  | 450,000,000 | 349,000,000
Long-term Debt |  | 21,442,000,000 | 19,401,000,000
Finance lease obligations |  | 271,000,000 | 193,000,000
Current portion of long-term debt |  | 78,000,000 | 71,000,000
Long-term Debt, Gross and Lease Obligation |  | 21,529,000,000 | 19,492,000,000
Deferred Finance Costs, Excluding Current Maturities |  | (116,000,000) | (106,000,000)
Debt Instrument, Unamortized Discount, Excluding Current Maturities |  | (49,000,000) | (56,000,000)
LONG-TERM DEBT |  | 21,364,000,000 | 19,330,000,000
Term loans |  |  |
Debt Instrument [Line Items] |  |  |
Gross Amount |  | 7,220,000,000 | 6,249,000,000
Debt Issuance Costs |  | (14,000,000) | (22,000,000)
Original Issue (Discount) Premium |  | (33,000,000) | (48,000,000)
Long-term Debt | [1] | 7,173,000,000 | $ 6,179,000,000
Senior Subordinated Notes | Senior Subordinated Notes $550M Due 2027 7.50% |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate |  |  | 7.50%
Gross Amount |  |  | $ 550,000,000
Debt Issuance Costs |  |  | (2,000,000)
Original Issue (Discount) Premium |  |  | 0
Long-term Debt | [1] | $ 0 | $ 548,000,000
Senior Subordinated Notes | Senior Subordinated Notes $2650M Due 2027 5.50% |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate |  | 5.50% | 5.50%
Gross Amount |  | $ 2,650,000,000 | $ 2,650,000,000
Debt Issuance Costs |  | (10,000,000) | (12,000,000)
Original Issue (Discount) Premium |  | 0 | 0
Long-term Debt | [1] | $ 2,640,000,000 | $ 2,638,000,000
Senior Subordinated Notes | Senior Subordinated Notes $1200M Due 2029 4.625% |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate |  | 4.625% | 4.625%
Gross Amount |  | $ 1,200,000,000 | $ 1,200,000,000
Debt Issuance Costs |  | (6,000,000) | (7,000,000)
Original Issue (Discount) Premium |  | 0 | 0
Long-term Debt | [1] | $ 1,194,000,000 | $ 1,193,000,000
Senior Subordinated Notes | Senior Subordinated Notes $750M due 2029 4.875% |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate |  | 4.875% | 4.875%
Gross Amount |  | $ 750,000,000 | $ 750,000,000
Debt Issuance Costs |  | (4,000,000) | (5,000,000)
Original Issue (Discount) Premium |  | 0 | 0
Long-term Debt | [1] | 746,000,000 | $ 745,000,000
Secured Debt | Senior Secured Notes $4.4B Due 2026 6.25% |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate |  |  | 6.25%
Gross Amount |  |  | $ 4,400,000,000
Debt Issuance Costs |  |  | (25,000,000)
Original Issue (Discount) Premium |  |  | 2,000,000
Long-term Debt | [1] | $ 0 | 4,377,000,000
Secured Debt | Senior Secured Notes $2,100M due 2028 6.75% |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate |  | 6.75% |
Gross Amount |  | $ 2,100,000,000 |
Debt Issuance Costs |  | (16,000,000) |
Original Issue (Discount) Premium |  | (8,000,000) |
Long-term Debt | [1] | $ 2,076,000,000 | 2,071,000,000
Secured Debt | Senior Secured Notes $2,750M due 2029 6.375% |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate |  | 6.375% |
Gross Amount |  | $ 2,750,000,000 |
Debt Issuance Costs |  | (24,000,000) |
Original Issue (Discount) Premium |  | (1,000,000) |
Long-term Debt | [1] | $ 2,725,000,000 | 0
Secured Debt | Senior Secured Notes $1,450M due 2030 6.875% |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate |  | 6.875% |
Gross Amount |  | $ 1,450,000,000 |
Debt Issuance Costs |  | (13,000,000) |
Original Issue (Discount) Premium |  | 0 |
Long-term Debt |  | $ 1,437,000,000 |
Secured Debt | Senior Secured Notes $1,000M due 2031 7.125% |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate |  | 7.125% |
Gross Amount |  | $ 1,000,000,000 |
Debt Issuance Costs |  | (9,000,000) |
Original Issue (Discount) Premium |  | (7,000,000) |
Long-term Debt | [1] | 984,000,000 | 0
Secured Debt | Senior Secured Notes $2,100M due 2028 |  |  |
Debt Instrument [Line Items] |  |  |
Gross Amount |  |  | 2,100,000,000
Debt Issuance Costs |  |  | (19,000,000)
Original Issue (Discount) Premium |  |  | (10,000,000)
Long-term Debt |  |  | 2,071,000,000
Secured Debt | Senior Secured Notes $1,450M due 2030 |  |  |
Debt Instrument [Line Items] |  |  |
Gross Amount |  |  | 1,450,000,000
Debt Issuance Costs |  |  | (14,000,000)
Original Issue (Discount) Premium |  |  | 0
Long-term Debt | [1] | $ 1,437,000,000 | 1,436,000,000
Secured Debt | Senior Secured Notes $2,200M due 2032 6.625% |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate |  | 6.625% |
Gross Amount |  | $ 2,200,000,000 |
Debt Issuance Costs |  | (20,000,000) |
Original Issue (Discount) Premium |  | 0 |
Long-term Debt | [1] | 2,180,000,000 | 0
Government refundable advances |  |  |
Debt Instrument [Line Items] |  |  |
Debt Issuance Costs |  | 0 | 0
Original Issue (Discount) Premium |  | 0 | 0
Long-term Debt |  | 16,000,000 | 21,000,000
Government refundable advances |  | 16,000,000 | 21,000,000
Finance Lease Obligations |  |  |
Debt Instrument [Line Items] |  |  |
Debt Issuance Costs |  | 0 | 0
Original Issue (Discount) Premium |  | 0 | 0
Long-term Debt |  | 271,000,000 | 193,000,000
Finance lease obligations |  | 271,000,000 | 193,000,000
Less: current portion |  |  |
Debt Instrument [Line Items] |  |  |
Debt Issuance Costs |  | 0 | 0
Original Issue (Discount) Premium |  | 0 | 0
Long-term Debt, Current Maturities, Gross |  | 78,000,000 | 71,000,000
Current portion of long-term debt |  | 78,000,000 | 71,000,000
Asset-backed Securities |  |  |
Debt Instrument [Line Items] |  |  |
Debt Issuance Costs |  | 0 | (1,000,000)
Original Issue (Discount) Premium |  | 0 | 0
Short-term borrowings—trade receivable securitization facility, Gross |  | 450,000,000 | 350,000,000
Short-term borrowings—trade receivable securitization facility | [1] | $ 450,000,000 | $ 349,000,000
[1] | The carrying amount of the debt instrument is presented net of debt issuance costs, premium and discount. Refer to Note 7, “Debt,” for gross carrying amounts.

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