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Indebtedness - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 17, 2021
Dec. 31, 2021
Nov. 14, 2018
Debt Instrument [Line Items]      
Make-whole amount   $ 13,000,000  
Benefit pursuant to the resolution of tax matters   45,000,000  
4.50% 2012 Senior Notes, due 2022      
Debt Instrument [Line Items]      
Repayments of debt   $ 500,000,000  
2021 Credit Facility      
Debt Instrument [Line Items]      
Term 5 years    
Maximum borrowing capacity $ 1,250,000,000    
2021 Credit Facility | Term Loan Facility Any Fiscal Quarter      
Debt Instrument [Line Items]      
Debt/EBITDA ratio   4  
2021 Credit Facility | First Three Consecutive Quarters immediately following Any Acquisition      
Debt Instrument [Line Items]      
Debt/EBITDA ratio   4.5  
2021 Credit Facility | Minimum      
Debt Instrument [Line Items]      
Facility fee basis points   0.07%  
Contingent consideration arising from acquisitions, payment or settlement   $ 500,000,000  
2021 Credit Facility | Maximum      
Debt Instrument [Line Items]      
Facility fee basis points   0.15%  
2018 Credit Facility      
Debt Instrument [Line Items]      
Maximum borrowing capacity     $ 1,000,000,000
2018 Credit Facility | Term Loan Facility Any Fiscal Quarter      
Debt Instrument [Line Items]      
Debt/EBITDA ratio   4  
2018 Credit Facility | First Three Consecutive Quarters immediately following Any Acquisition      
Debt Instrument [Line Items]      
Debt/EBITDA ratio   4.5  
2018 Credit Facility | Minimum      
Debt Instrument [Line Items]      
Facility fee basis points   0.07%  
Contingent consideration arising from acquisitions, payment or settlement   $ 500,000,000  
2018 Credit Facility | Maximum      
Debt Instrument [Line Items]      
Facility fee basis points   0.15%  
Commercial Paper      
Debt Instrument [Line Items]      
Maximum borrowing capacity   $ 1,000,000,000  
Commercial paper   $ 0  
Commercial Paper | Maximum      
Debt Instrument [Line Items]      
Term   397 days  
4.50% 2012 Senior Notes, due 2022      
Debt Instrument [Line Items]      
Accretion expense   $ 8,000,000  
Alternate Base Rate | 2018 Credit Facility | Minimum      
Debt Instrument [Line Items]      
Basis spread on variable rate (percent)   0.00%  
Alternate Base Rate | 2018 Credit Facility | Maximum      
Debt Instrument [Line Items]      
Basis spread on variable rate (percent)   0.225%  
Adjusted LIBOR | 2021 Credit Facility | Minimum      
Debt Instrument [Line Items]      
Basis spread on variable rate (percent)   0.805%  
Adjusted LIBOR | 2021 Credit Facility | Maximum      
Debt Instrument [Line Items]      
Basis spread on variable rate (percent)   1.225%  
Adjusted LIBOR | 2018 Credit Facility | Minimum      
Debt Instrument [Line Items]      
Basis spread on variable rate (percent)   0.805%  
Adjusted LIBOR | 2018 Credit Facility | Maximum      
Debt Instrument [Line Items]      
Basis spread on variable rate (percent)   1.225%