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Acquisition (Detail)
$ in Millions
9 Months Ended
Sep. 30, 2022
USD ($)
item
2022 Business Acquisitions [Member]  
Business Acquisition  
Number of business acquired | item 7
Total consideration, net of cash acquired $ 216
Business acquisitions cash payments 202
Other consideration 14
2021 Business Acquisitions [Member]  
Business Acquisition  
Payments made for contingent consideration $ 5