Segment Information - Long-Lived Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's long-lived assets	$ 12,663,827	$ 12,152,597
Operating lease right-of-use assets	1,396,101	1,475,367
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's long-lived assets	5,649,000	5,400,287
Operating lease right-of-use assets	368,959	387,598
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's long-lived assets	4,321,446	4,051,701
Operating lease right-of-use assets	498,334	521,129
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's long-lived assets	2,693,381	2,700,609
Operating lease right-of-use assets	$ 528,808	$ 566,640