Notes Payable, Other and Short-Term Borrowings - Carrying Amounts and Estimated Fair Values of Company's Senior Notes (Parenthetical) (Detail)	Jun. 30, 2020	Dec. 31, 2019	Sep. 27, 2019	Jul. 24, 2018
5.125% Senior Notes [Member]
Debt Instrument [Line Items]
Stated interest rate	5.125%	5.125%
5.375% Senior Notes [Member]
Debt Instrument [Line Items]
Stated interest rate	5.375%	5.375%		5.375%
3.750% Senior Notes [Member]
Debt Instrument [Line Items]
Stated interest rate	3.75%	3.75%	3.75%