v3.26.1
FAIR VALUE MEASUREMENTS - Carrying Amounts and Fair Values of Financial Instruments (Details) - USD ($)
$ in Millions
Jun. 27, 2026
Sep. 30, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents $ 2,773 $ 2,808
Short-term borrowings—trade receivable securitization facility 725 724
Long-term Debt 32,760  
Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesCurrent    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign Currency Contract, Liability [1] 2 2
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Interest Rate Swap Asset Carrying Amount [2] 27 5
Interest Rate Collar Assets [2] 17 3
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Interest Rate Collar Agreement, Liability [3] 0 3
Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Interest Rate Swap Asset Carrying Amount [4] 5 3
Interest Rate Collar Assets [4] 2 4
Term loans    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term Debt [5] 12,783 11,048
Government refundable advances    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term Debt 8 12
Finance Lease Obligations    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term Debt 313 284
Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents, Fair Value 2,773 2,808
Level 2 | Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesCurrent    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign Currency Contract, Liability [1] 2 2
Level 2 | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Interest Rate Swap Asset at Fair Value [2] 27 5
Interest Rate Collar Assets [2] 17 3
Level 2 | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Interest Rate Collar Agreement, Liability [3] 0 3
Level 2 | Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Interest Rate Swap Asset at Fair Value [4] 5 3
Interest Rate Collar Assets [4] 2 4
Level 2 | Term loans    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion, Fair Value [5] 12,893 11,120
Level 2 | Government refundable advances    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion, Fair Value 8 12
Level 2 | Finance Lease Obligations    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion, Fair Value 313 284
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] 2,088 2,083
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] 2,118 2,139
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] 1,196 1,195
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] 1,181 1,175
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] 2,735 2,732
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] 2,788 2,812
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] 748 747
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] 739 739
Senior Secured Notes $1,450M due 2030 6.875% | Secured Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term Debt [5] 1,441 1,440
Senior Secured Notes $1,450M due 2030 6.875% | Level 1 | Secured Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion, Fair Value [5] 1,490 1,501
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] 988 986
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] 1,035 1,041
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] 2,185 2,183
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] 2,255 2,263
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] 1,489 1,488
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] 1,515 1,517
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] 2,620 2,616
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] 2,677 2,686
Senior Secured Notes $500M due 2034 6.250% | Secured Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term Debt [5] 496 495
Senior Secured Notes $500M due 2034 6.250% | Level 1 | Secured Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion, Fair Value [5] 510 514
Senior Subordinated Notes $2,000M due 2034 6.750% | Senior Subordinated Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term Debt [5] 1,983 1,982
Senior Subordinated Notes $2,000M due 2034 6.750% | Level 1 | Senior Subordinated Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion, Fair Value [5] 2,048 2,068
Senior Subordinated Notes $1,700M due 2034 6.125% | Senior Subordinated Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term Debt [5] 1,687 0
Senior Subordinated Notes $1,700M due 2034 6.125% | Level 1 | Senior Subordinated Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion, Fair Value [5] 1,700 0
Asset-backed Securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term borrowings—trade receivable securitization facility [5] 725 724
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] $ 725 $ 724
[1] Included in accrued and other current liabilities on the condensed consolidated balance sheets.
[2] Included in other non-current assets on the condensed consolidated balance sheets.
[3] Included in other non-current liabilities on the condensed consolidated balance sheets.
[4] Included in prepaid expenses and other on the condensed consolidated balance sheets.
[5] The carrying amount of the debt instrument is presented net of debt issuance costs, original issue discount and premium.