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Debt - Additional Information (Details) - USD ($)
9 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Convertible Debt | Estimate of Fair Value Measurement    
Debt Instrument [Line Items]    
Fair value of senior notes $ 873,000,000 $ 871,000,000
Senior Notes    
Debt Instrument [Line Items]    
Debt instrument redemption price percentage 101.00%  
Accrued interest related to senior notes $ 48,000,000 73,000,000
Senior Notes | Estimate of Fair Value Measurement    
Debt Instrument [Line Items]    
Fair value of senior notes 4,900,000,000 4,900,000,000
Line of Credit    
Debt Instrument [Line Items]    
Letters of credit issued under the credit facility 40,000,000 38,000,000
Line of Credit | Revolving Credit Facility    
Debt Instrument [Line Items]    
Credit facility $ 2,500,000,000  
Line of Credit | Revolving Credit Facility | Minimum    
Debt Instrument [Line Items]    
Debt instrument, interest rate 1.00%  
Commitment fee, percent 0.10%  
Line of Credit | Revolving Credit Facility | Minimum | Base Rate    
Debt Instrument [Line Items]    
Debt instrument, interest rate 0.00%  
Line of Credit | Revolving Credit Facility | Maximum    
Debt Instrument [Line Items]    
Debt instrument, interest rate 1.75%  
Commitment fee, percent 0.25%  
Line of Credit | Revolving Credit Facility | Maximum | Base Rate    
Debt Instrument [Line Items]    
Debt instrument, interest rate 0.75%  
Line of Credit | Foreign Credit Facility    
Debt Instrument [Line Items]    
Credit facility borrowings outstanding $ 0 $ 0
Line of Credit | Letter of Credit    
Debt Instrument [Line Items]    
Credit facility 120,000,000  
0% convertible senior notes due 2026 | Convertible Debt    
Debt Instrument [Line Items]    
Senior unsecured notes principal amount $ 1,000,000,000  
Debt, interest rate 0.00% 0.00%