Risk Management and Derivatives - Additional Information (Detail) - USD ($)	12 Months Ended
	May 31, 2022	May 31, 2021
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Deferred net gain (net of tax) on both outstanding and matured derivatives accumulated in other comprehensive income are expected to be reclassified to net income during the next twelve months as a result of underlying hedged transactions also being recorded in net income	$ 607,000,000
Maximum term over which the Company is hedging exposures to the variability of cash flows for its forecasted and recorded transactions (in months)	24 months
Derivative, net liability position, aggregate fair value	$ 0
Derivatives designated as cash flow hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Additional period for forecasted transaction expected to occur	2 months
Percentage of anticipated exposures hedged (percent)	100.00%
Foreign exchange forwards and options | Derivatives designated as net investment hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative assets (liabilities), at fair value, net	$ 0
Minimum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Minimum fair value of outstanding derivative above which the credit related contingent features require the derivative party to post collateral	$ 50,000,000
Minimum | Derivatives designated as cash flow hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Typical time period that anticipated exposures are hedged against (in months)	12 months
Maximum | Derivatives designated as cash flow hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Typical time period that anticipated exposures are hedged against (in months)	24 months
Designated as Hedging Instrument | Derivatives designated as cash flow hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	$ 18,500,000,000
Designated as Hedging Instrument | Interest rate swaps | Derivatives designated as fair value hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	0
Derivatives not designated as hedging instruments | Not designated as derivative instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	3,000,000,000
Derivatives not designated as hedging instruments | Embedded derivatives
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	584,000,000
Cash and Cash Equivalents
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cash collateral posted	0
Fair value of collateral	486,000,000
Cash and Cash Equivalents | Foreign exchange forwards and options
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair value of collateral	$ 486,000,000	$ 0