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Debt - Additional Information (Detail)
 12 Months Ended
Aug. 12, 2024
USD ($)
May 10, 2024
USD ($)
eligibleGreenProject
Apr. 01, 2024
USD ($)
Dec. 31, 2024
USD ($)
asset
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Feb. 28, 2023
USD ($)
Jan. 04, 2023
USD ($)
extension_option
Debt Instrument [Line Items]                
Repayments of senior debt       $ 400,000,000 $ 0 $ 0    
Aggregate borrowing capacity               $ 1,500,000,000
Credit facility       992,000,000 989,000,000      
Cash and cash equivalents       554,000,000 1,144,000,000 $ 667,000,000    
Foreign Currency Borrowings                
Debt Instrument [Line Items]                
Aggregate borrowing capacity               500,000,000
Swingline Loans                
Debt Instrument [Line Items]                
Aggregate borrowing capacity               100,000,000
Revolving Credit Facility                
Debt Instrument [Line Items]                
Aggregate borrowing capacity       $ 1,500,000,000        
Adjustment to base interest rate       0.10%        
Variable interest rate       0.85%        
Facility commitment fee       0.19%        
Basis point reduction for achievement of sustainability milestone       0.0004        
Debt interest rate       5.25%        
Line of credit facility remaining borrowing capacity       $ 1,500,000,000        
Term Loan                
Debt Instrument [Line Items]                
Aggregate borrowing capacity               1,000,000,000
Credit facility       $ 998,000,000 997,000,000      
Adjustment to base interest rate       0.10%        
Variable interest rate       0.95%        
Basis point reduction for achievement of sustainability milestone       0.0005        
Debt interest rate       5.34%        
Credit facility                
Debt Instrument [Line Items]                
Additional borrowing capacity               500,000,000
Adjustment to base interest rate       0.10%        
Credit facility | Letter of Credit                
Debt Instrument [Line Items]                
Aggregate borrowing capacity               100,000,000
Credit facility term loan due January 2027                
Debt Instrument [Line Items]                
Credit facility               500,000,000
Credit facility term loan due January 2028                
Debt Instrument [Line Items]                
Credit facility               $ 500,000,000
Upper Limit | Revolving Credit Facility | Scenario Adjustment | Sustainability Pricing                
Debt Instrument [Line Items]                
Debt instrument increase in interest rate       0.04%        
Debt instrument facility fee increase decrease       0.0001        
Upper Limit | Revolving Credit Facility | Investment grade                
Debt Instrument [Line Items]                
Variable interest rate       1.40%        
Facility commitment fee       0.30%        
Upper Limit | Term Loan                
Debt Instrument [Line Items]                
Variable interest rate       1.60%        
Upper Limit | Term Loan | Scenario Adjustment | Sustainability Pricing                
Debt Instrument [Line Items]                
Debt instrument increase in interest rate       0.05%        
Lower Limit | Revolving Credit Facility | Investment grade                
Debt Instrument [Line Items]                
Variable interest rate       0.725%        
Facility commitment fee       0.125%        
Lower Limit | Term Loan | Investment grade                
Debt Instrument [Line Items]                
Variable interest rate       0.80%        
3.875% Series G Senior Notes, Due April 2024                
Debt Instrument [Line Items]                
Repayments of senior debt     $ 400,000,000          
Debt interest rate       3.875%        
Series K senior notes, with a rate of 5.7% due July 2034                
Debt Instrument [Line Items]                
Face amount of debt   $ 600,000,000            
Debt interest rate   5.70%   5.70%        
Proceeds from issuance of senior long-term debt   $ 584,000,000            
Number of eligible green projects to finance and/or refinance (or more) | eligibleGreenProject   1            
Number of days before maturity date before eligible for redemption   90 days            
Redemption price, percent   100.00%            
Series K senior notes, with a rate of 5.7% due July 2034 | Revolving Credit Facility                
Debt Instrument [Line Items]                
Net repayments under credit facility   $ 215,000,000            
5.500% Series L Senior Notes, Due April 2035                
Debt Instrument [Line Items]                
Face amount of debt $ 700,000,000              
Debt interest rate 5.50%     5.50%        
Proceeds from issuance of senior long-term debt $ 683,000,000              
Net repayments under credit facility $ 525,000,000              
Number of days before maturity date before eligible for redemption 90 days              
Redemption price, percent 100.00%              
Covenant Requirement | Upper Limit | Credit facility                
Debt Instrument [Line Items]                
Leverage ratio       7.25        
Covenant Requirement | Lower Limit | Credit facility                
Debt Instrument [Line Items]                
Unsecured interest coverage ratio       175.00%        
Fixed charge coverage ratio       125.00%        
Cash and cash equivalents       $ 100,000,000        
Debt Covenant | Less Restrictive Covenant                
Debt Instrument [Line Items]                
Leverage ratio       6.0        
Senior Notes                
Debt Instrument [Line Items]                
Face amount of debt       $ 4,100,000,000 3,200,000,000      
Unamortized discount       $ 57,000,000 30,000,000      
Debt covenant compliance       As of December 31, 2024, we are in compliance with all of these covenants.        
Senior Notes | Upper Limit                
Debt Instrument [Line Items]                
Debt repurchase authorized amount             $ 1,000,000,000  
Credit facility                
Debt Instrument [Line Items]                
Debt covenant compliance       As of December 31, 2024, we are in compliance with all of these covenants.        
Credit facility | Revolving Credit Facility                
Debt Instrument [Line Items]                
Term of extension option one               1 year
Number of extension options, option two | extension_option               2
Term of extension options, option two               6 months
Credit facility | Credit facility term loan due January 2027                
Debt Instrument [Line Items]                
Number of extension options | extension_option               1
Term of extension option               1 year
Secured Debt                
Debt Instrument [Line Items]                
Number of mortgage debt secured by asset | asset       1        
Debt, average interest rate       4.67%        
Mortgage debt repayments       $ 2,000,000 $ 2,000,000