Notes Payable and Long-Term Debt (Additional Information) (Details) - Senior Notes	Feb. 28, 2022
4.900% Senior Notes
Debt Instrument [Line Items]
Senior notes, stated interest rate (as a percent)	4.90%
4.700% Senior Notes
Debt Instrument [Line Items]
Senior notes, stated interest rate (as a percent)	4.70%
3.950% Senior Notes
Debt Instrument [Line Items]
Senior notes, stated interest rate (as a percent)	3.95%
3.600% Senior Notes
Debt Instrument [Line Items]
Senior notes, stated interest rate (as a percent)	3.60%
3.000% Senior Notes
Debt Instrument [Line Items]
Senior notes, stated interest rate (as a percent)	3.00%
1.700% Senior Notes
Debt Instrument [Line Items]
Senior notes, stated interest rate (as a percent)	1.70%