Retirement Plans - Additional Information (Details)		3 Months Ended	9 Months Ended
	Dec. 31, 2020 Employee	Nov. 30, 2020 USD ($)	Feb. 28, 2021 USD ($)	Feb. 29, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Non-cash MTM net loss			$ 52,000,000
Future Plan Structure [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Company matching contributions to eligible employees			8.00%
Current Plan Structure [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Company matching contributions to eligible employees			3.50%
Voluntary Contribution [Member] | U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan contributions by employer			$ 300,000,000	$ 1,000,000,000.0
Pension Plans [Member] | International Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Non-cash MTM net loss			$ 52,000,000
Pension Plans [Member] | Netherlands [Member]
Defined Benefit Plan Disclosure [Line Items]
Non-cash MTM net loss		$ 52,000,000
Number of employees frozen | Employee	2,100
MTM loss due to lower discount rate		106,000,000
Curtailment gain		$ 54,000,000