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Fair Value Measurements - Schedule of Carrying Values and Estimated Fair Values of Debt Instruments (Details) - USD ($)
$ in Millions
Sep. 30, 2025
May 12, 2025
Dec. 31, 2024
Feb. 23, 2024
Jun. 23, 2023
Mar. 18, 2021
Aug. 13, 2015
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt $ 4,446   $ 3,320        
Estimated Fair Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 1,256   708        
Carrying Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 1,338   718        
5.950% senior notes due in 2034 | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Interest rate         5.95%    
Total long-term debt 1,000   1,000        
5.950% senior notes due in 2034 | Estimated Fair Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 1,069   1,033        
5.950% senior notes due in 2034 | Carrying Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 977   976        
4.875% senior notes due in 2026 | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Interest rate             4.875%
Total long-term debt 0   600        
4.875% senior notes due in 2026 | Estimated Fair Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 0   600        
4.875% senior notes due in 2026 | Carrying Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 0   599        
4.800% senior notes due in 2030 | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Interest rate   4.80%          
Total long-term debt 600   0        
4.800% senior notes due in 2030 | Estimated Fair Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 610   0        
4.800% senior notes due in 2030 | Carrying Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 590   0        
5.500% senior notes due in 2035 | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Interest rate   5.50%          
Total long-term debt 500   0        
5.500% senior notes due in 2035 | Estimated Fair Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 515   0        
5.500% senior notes due in 2035 | Carrying Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 494   0        
5.500% senior notes due in 2029 | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Interest rate       5.50%      
Total long-term debt 500   500        
5.500% senior notes due in 2029 | Estimated Fair Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 519   509        
5.500% senior notes due in 2029 | Carrying Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 496   496        
2.500% senior notes due in 2031 | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Interest rate           2.50%  
Total long-term debt 500   500        
2.500% senior notes due in 2031 | Estimated Fair Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt 453   426        
2.500% senior notes due in 2031 | Carrying Value | Senior Notes              
Fair Value Measurement Inputs and Valuation Techniques [Line Items]              
Total long-term debt $ 493   $ 492