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Debt (Narrative) (Details)
3 Months Ended
Mar. 31, 2023
USD ($)
Debt Instrument [Line Items]  
Long-term principal $ 1,000,000,000.0
Letter of Credit [Member]  
Debt Instrument [Line Items]  
Line of credit facility, amount outstanding 900,000
Maximum borrowing capacity 75,000,000.0
Revolving Credit Facility [Member]  
Debt Instrument [Line Items]  
Revolving line of credit borrowings 0
Maximum borrowing capacity 300,000,000.0
Amount available to increase borrowing capacity 500,000,000.0
Swing Line Loans [Member]  
Debt Instrument [Line Items]  
Maximum borrowing capacity 25,000,000.0
Amended Term Loan Agreement [Member]  
Debt Instrument [Line Items]  
Line of credit facility, amount outstanding $ 971,000,000.0
Secured Overnight Financing Rate (SOFR) [Member] | Minimum [Member]  
Debt Instrument [Line Items]  
Basis spread on variable rate 1.66%
Secured Overnight Financing Rate (SOFR) [Member] | Maximum [Member]  
Debt Instrument [Line Items]  
Basis spread on variable rate 2.30%