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Debt - 2029 and 2049 Notes Issued in 2019 (Details) - USD ($)
1 Months Ended 12 Months Ended
Oct. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]        
Long-term debt, gross   $ 2,600,000,000 $ 2,320,300,000  
Loss on extinguishment of debt $ (400,000) 24,600,000 21,100,000 $ 10,600,000
Payments of related issuance costs $ 2,800,000 9,900,000 7,000,000.0 6,500,000
Senior Notes        
Debt Instrument [Line Items]        
Proceeds from offering   698,700,000 669,100,000 693,300,000
Loss on extinguishment of debt       10,600,000
Payments of related issuance costs   $ 7,100,000 $ 6,000,000 6,500,000
Senior Notes | 2029 Notes        
Debt Instrument [Line Items]        
Aggregate principal amount       $ 375,000,000
Stated interest rate   4.25%   4.25%
Stated coupon rate       99.691%
Yield to maturity   4.288% 4.288% 4.288%
Long-term debt, gross   $ 375,000,000.0 $ 375,000,000.0  
Senior Notes | 2029 Notes | Prior to February 15, 2029        
Debt Instrument [Line Items]        
Stated coupon rate       100.00%
Senior Notes | 2029 Notes | On or after February 15, 2029        
Debt Instrument [Line Items]        
Stated coupon rate       100.00%
Senior Notes | 2029 Notes | On or after February 15, 2029 | Minimum        
Debt Instrument [Line Items]        
Redemption price, notice period       15 days
Senior Notes | 2029 Notes | On or after February 15, 2029 | Maximum        
Debt Instrument [Line Items]        
Redemption price, notice period       60 days
Senior Notes | 2049 Notes        
Debt Instrument [Line Items]        
Aggregate principal amount       $ 325,000,000
Stated interest rate   5.25%   5.25%
Stated coupon rate       98.32%
Yield to maturity   5.103% 5.103% 5.363%
Long-term debt, gross   $ 625,000,000.0 $ 625,000,000.0  
Senior Notes | 2049 Notes | Prior to November 15, 2048        
Debt Instrument [Line Items]        
Stated coupon rate       100.00%
Senior Notes | 2049 Notes | On or after November 15, 2048        
Debt Instrument [Line Items]        
Stated coupon rate       100.00%
Senior Notes | 2049 Notes | On or after November 15, 2048 | Minimum        
Debt Instrument [Line Items]        
Redemption price, notice period       15 days
Senior Notes | 2049 Notes | On or after November 15, 2048 | Maximum        
Debt Instrument [Line Items]        
Redemption price, notice period       60 days
Senior Notes | 2024 Notes        
Debt Instrument [Line Items]        
Stated coupon rate       102.688%
Long-term debt, gross       $ 325,000,000