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Debt - Interim Credit Facility - Additional Information (Detail)
£ in Millions
Jan. 15, 2021
USD ($)
Dec. 31, 2022
Dec. 31, 2021
Jan. 15, 2021
GBP (£)
2.500% Senior Unsecured Notes due 2026 [Member]        
Debt Instrument [Line Items]        
Senior unsecured notes, interest rate   2.50% 2.50%  
3.375% Senior Unsecured Notes Due 2030 [Member]        
Debt Instrument [Line Items]        
Senior unsecured notes, interest rate   3.375% 3.375%  
Interim Credit Facility [Member]        
Debt Instrument [Line Items]        
Line of credit facility, Borrowing capacity | $ $ 900,000,000      
Line of credit | £       £ 500
Line of credit, terminated date Mar. 26, 2021      
Interim Credit Facility [Member] | 2.500% Senior Unsecured Notes due 2026 [Member]        
Debt Instrument [Line Items]        
Senior unsecured notes, interest rate 2.50%     2.50%
Interim Credit Facility [Member] | 3.375% Senior Unsecured Notes Due 2030 [Member]        
Debt Instrument [Line Items]        
Senior unsecured notes, interest rate 3.375%     3.375%