Sales Recognition - Summary of Information about Receivables and Contract Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Current receivables, which are included in “Accounts receivable, net”	$ 2,267,718	$ 2,511,383
Contract liabilities, which are included in “Accrued expenses and other current liabilities” and “Other liabilities”	80,734	84,814
Accounts Receivable, Net [Member]
Disaggregation of Revenue [Line Items]
Current receivables, which are included in “Accounts receivable, net”	2,267,718	2,511,383
Other Assets [Member]
Disaggregation of Revenue [Line Items]
Non-current receivables, which are included in “Other assets”	137,431	154,417
Accrued Expenses and Other Current Liabilities and Other Liabilities [Member]
Disaggregation of Revenue [Line Items]
Contract liabilities, which are included in “Accrued expenses and other current liabilities” and “Other liabilities”	$ 80,734	$ 84,814