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Employee Benefit Plans - Schedule of Pension Plan Assets at Fair Value (Detail) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Insurance contracts      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value $ 7 $ 7 $ 8
Recurring      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 56 67  
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 0 0  
Recurring | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 49 60  
Recurring | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 7 7  
Recurring | Money market funds      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 2    
Recurring | Money market funds | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 0    
Recurring | Money market funds | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 2    
Recurring | Money market funds | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 0    
Recurring | Equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 17 22  
Recurring | Equity securities | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 0 0  
Recurring | Equity securities | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 17 22  
Recurring | Equity securities | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 0 0  
Recurring | Bond/fixed-income funds      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 27 36  
Recurring | Bond/fixed-income funds | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 0 0  
Recurring | Bond/fixed-income funds | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 27 36  
Recurring | Bond/fixed-income funds | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 0 0  
Recurring | Real estate      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 3 2  
Recurring | Real estate | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 0 0  
Recurring | Real estate | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 3 2  
Recurring | Real estate | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 0 0  
Recurring | Insurance contracts      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 7 7  
Recurring | Insurance contracts | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 0 0  
Recurring | Insurance contracts | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value 0 0  
Recurring | Insurance contracts | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Total assets at fair value $ 7 $ 7