v3.26.1
Debt - Schedule of Long-term Debt (Details) - USD ($)
Jun. 30, 2026
Mar. 11, 2026
Sep. 30, 2025
Jun. 29, 2025
Debt Instrument [Line Items]        
Premium less unamortized discount and unamortized DFCs $ (21,000,000)   $ (27,000,000)  
Total long-term debt, including the current portion, net 4,710,000,000   4,365,000,000  
Unamortized discount and unamortized DFCs (15,000,000)   (9,000,000)  
Acquisition Corp.        
Debt Instrument [Line Items]        
Total debt, including the current portion 4,065,000,000   4,090,000,000  
Total long-term debt, including the current portion, net 4,044,000,000   4,063,000,000  
Acquisition Corp. | Senior Term Loan A Facility due 2031        
Debt Instrument [Line Items]        
Total debt, including the current portion 1,295,000,000 $ 1,295,000,000 0  
Acquisition Corp. | Senior Term Loan B Facility due 2031        
Debt Instrument [Line Items]        
Total debt, including the current portion $ 0   1,295,000,000  
Acquisition Corp. | 2.750% Senior Secured Notes due 2028        
Debt Instrument [Line Items]        
Interest rate 2.75%      
Total debt, including the current portion $ 371,000,000   381,000,000  
Acquisition Corp. | 3.750% Senior Secured Notes due 2029        
Debt Instrument [Line Items]        
Interest rate 3.75%      
Total debt, including the current portion $ 540,000,000   540,000,000  
Acquisition Corp. | 3.875% Senior Secured Notes due 2030        
Debt Instrument [Line Items]        
Interest rate 3.875%      
Total debt, including the current portion $ 535,000,000   535,000,000  
Acquisition Corp. | 2.250% Senior Secured Notes due 2031        
Debt Instrument [Line Items]        
Interest rate 2.25%      
Total debt, including the current portion $ 508,000,000   522,000,000  
Acquisition Corp. | 3.000% Senior Secured Notes due 2031        
Debt Instrument [Line Items]        
Interest rate 3.00%      
Total debt, including the current portion $ 800,000,000   800,000,000  
Acquisition Corp. | Mortgage Term Loan due 2033        
Debt Instrument [Line Items]        
Total debt, including the current portion 16,000,000   17,000,000  
Acquisition Corp. | Revolving Credit Facility        
Debt Instrument [Line Items]        
Total debt, including the current portion 0   0  
Line of credit facility, current borrowing capacity 350,000,000 $ 350,000,000 350,000,000  
Letters of credit outstanding 0   0  
Revolving credit facility outstanding 0   0  
Acquisition Corp. | Revolving Credit Facility | Beethoven Credit Agreement        
Debt Instrument [Line Items]        
Total debt, including the current portion 370,000,000   0  
Line of credit facility, maximum borrowing capacity       $ 750,000,000
Tempo        
Debt Instrument [Line Items]        
Total long-term debt, including the current portion, net 666,000,000   302,000,000  
Tempo | Tempo Asset-Based Notes due 2050        
Debt Instrument [Line Items]        
Total debt, including the current portion $ 311,000,000   $ 311,000,000