v3.26.1
DEBT - Schedule of Debt (Details) - USD ($)
$ in Millions
Mar. 28, 2026
Feb. 13, 2026
Sep. 30, 2025
Debt Instrument [Line Items]      
Gross Amount $ 31,507    
Debt Issuance Costs (167)    
Original Issue Discount (61)    
Long-term Debt 31,279    
Long-term Debt, Gross and Lease Obligation 31,377    
Deferred Finance Costs, Excluding Current Maturities (166)    
Debt Instrument, Unamortized Discount, Excluding Current Maturities (61)    
Current portion of long-term debt 129   $ 124
LONG-TERM DEBT 31,150   29,167
Term loans      
Debt Instrument [Line Items]      
Gross Amount 11,896    
Debt Issuance Costs (48)    
Original Issue Discount (32)    
Long-term Debt [1] $ 11,816   11,048
Senior Subordinated Notes | Senior Subordinated Notes $1200M Due 2029 4.625%      
Debt Instrument [Line Items]      
Interest rate 4.625%    
Gross Amount $ 1,200    
Debt Issuance Costs (4)    
Original Issue Discount 0    
Long-term Debt [1] $ 1,196   1,195
Senior Subordinated Notes | Senior Subordinated Notes $750M due 2029 4.875%      
Debt Instrument [Line Items]      
Interest rate 4.875%    
Gross Amount $ 750    
Debt Issuance Costs (3)    
Original Issue Discount 0    
Long-term Debt [1] $ 747   747
Senior Subordinated Notes | Senior Subordinated Notes $2,650M due 2033 6.375%      
Debt Instrument [Line Items]      
Interest rate 6.375%    
Gross Amount $ 2,650    
Debt Issuance Costs (13)    
Original Issue Discount (18)    
Long-term Debt [1] $ 2,619   2,616
Senior Subordinated Notes | Senior Subordinated Notes $2,000M due 2034 6.750%      
Debt Instrument [Line Items]      
Interest rate 6.75%    
Gross Amount $ 2,000    
Debt Issuance Costs (17)    
Original Issue Discount 0    
Long-term Debt [1] $ 1,983   1,982
Senior Subordinated Notes | Senior Subordinated Notes $1,200M due 2034 6.125%      
Debt Instrument [Line Items]      
Interest rate 6.125% 6.125%  
Gross Amount $ 1,200    
Debt Issuance Costs (11)    
Original Issue Discount 0    
Long-term Debt [1] $ 1,189   0
Secured Debt | Senior Secured Notes $2,100M due 2028 6.75%      
Debt Instrument [Line Items]      
Interest rate 6.75%    
Gross Amount $ 2,100    
Debt Issuance Costs (9)    
Original Issue Discount (5)    
Long-term Debt [1] $ 2,086   2,083
Secured Debt | Senior Secured Notes $2,750M due 2029 6.375%      
Debt Instrument [Line Items]      
Interest rate 6.375%    
Gross Amount $ 2,750    
Debt Issuance Costs (15)    
Original Issue Discount (1)    
Long-term Debt [1] $ 2,734   2,732
Secured Debt | Senior Secured Notes $1,450M due 2030 6.875%      
Debt Instrument [Line Items]      
Interest rate 6.875%    
Gross Amount $ 1,450    
Debt Issuance Costs (9)    
Original Issue Discount 0    
Long-term Debt [1] $ 1,441   1,440
Secured Debt | Senior Secured Notes $1,000M due 2031 7.125%      
Debt Instrument [Line Items]      
Interest rate 7.125%    
Gross Amount $ 1,000    
Debt Issuance Costs (7)    
Original Issue Discount (5)    
Long-term Debt [1] $ 988   986
Secured Debt | Senior Secured Notes $2,200M due 2032 6.625%      
Debt Instrument [Line Items]      
Interest rate 6.625%    
Gross Amount $ 2,200    
Debt Issuance Costs (16)    
Original Issue Discount 0    
Long-term Debt [1] $ 2,184   2,183
Secured Debt | Senior Secured Notes $1,500M due 2033 6.00%      
Debt Instrument [Line Items]      
Interest rate 6.00%    
Gross Amount $ 1,500    
Debt Issuance Costs (11)    
Original Issue Discount 0    
Long-term Debt [1] $ 1,489   1,488
Secured Debt | Senior Secured Notes $500M due 2034 6.250%      
Debt Instrument [Line Items]      
Interest rate 6.25%    
Gross Amount $ 500    
Debt Issuance Costs (4)    
Original Issue Discount 0    
Long-term Debt [1] 496   495
Government refundable advances      
Debt Instrument [Line Items]      
Debt Issuance Costs 0    
Original Issue Discount 0    
Long-term Debt 8   12
Government refundable advances 8    
Finance Lease Obligations      
Debt Instrument [Line Items]      
Debt Issuance Costs 0    
Original Issue Discount 0    
Long-term Debt 303   $ 284
Finance lease obligations 303    
Less: current portion      
Debt Instrument [Line Items]      
Debt Issuance Costs (1)    
Original Issue Discount 0    
Long-term Debt, Current Maturities, Gross 130    
Current portion of long-term debt 129    
Asset-backed Securities      
Debt Instrument [Line Items]      
Debt Issuance Costs (1)    
Original Issue Discount 0    
Short-term borrowings—trade receivable securitization facility $ 725    
[1] The carrying amount of the debt instrument is presented net of debt issuance costs and original issue discount.