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Fair Value Measurements - Schedule of Fair Value of Financial Instruments (Detail) - USD ($)
$ in Millions
Dec. 31, 2022
Sep. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value $ 25 $ 36
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value 25 36
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value 0 0
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value 0 0
Other current assets    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other assets 17 2
Other noncurrent assets    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other assets 0 16
Other noncurrent liabilities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign currency forward exchange contract 0 0
Contractual obligations (1) (1)
Other noncurrent liabilities | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Contractual obligations 0 0
Other noncurrent liabilities | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Contractual obligations 0 0
Other noncurrent liabilities | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Contractual obligations (1) (1)
Other current liabilities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign currency forward exchange contract (8) 0
Foreign Exchange Contract | Other current assets    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other assets 1  
Foreign Exchange Contract | Other current assets | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other assets 0  
Foreign Exchange Contract | Other current assets | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other assets 1  
Foreign Exchange Contract | Other current assets | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other assets 0  
Foreign Exchange Contract | Other current liabilities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign currency forward exchange contract (8)  
Foreign Exchange Contract | Other current liabilities | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign currency forward exchange contract 0  
Foreign Exchange Contract | Other current liabilities | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign currency forward exchange contract (8)  
Foreign Exchange Contract | Other current liabilities | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign currency forward exchange contract 0  
Interest Rate Swap    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value 16  
Interest Rate Swap | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value 0  
Interest Rate Swap | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value 16  
Interest Rate Swap | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value $ 0  
Interest Rate Swap | Other current assets    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value   2
Interest Rate Swap | Other current assets | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value   0
Interest Rate Swap | Other current assets | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value   2
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Prepaid and other current assets  
Interest Rate Swap | Other current assets | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value   0
Interest Rate Swap | Other noncurrent assets    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value   $ 16
Derivative Asset, Statement of Financial Position [Extensible Enumeration]   Other assets
Interest Rate Swap | Other noncurrent assets | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value   $ 0
Interest Rate Swap | Other noncurrent assets | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value   16
Interest Rate Swap | Other noncurrent assets | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity investment with readily determinable fair value   $ 0