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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2020 | May 31, 2022 | May 31, 2021 | May 31, 2020
Income Taxes [Line Items] |  |  |  |
Earnings From Foreign Operations |  | $ 1,400 | $ 1,800 | $ 634
Income tax benefit |  | (1,070) | (1,443) | (383)
Benefit from reduction of valuation allowance on tax loss carryforwards |  |  |  | 133
Deferred income tax expense | $ 51 | 322 | 802 | 348
Revisions of prior year tax benefit from U.S and foreign tax returns |  | 142 |  |
Increase in valuation allowance offsetting increase in related deferred tax asset |  | 21 |  |
Recognition of cumulative benefit from TCJA |  | 215 |  |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate |  | 167 | 190 |
Unrecognized Tax Benefits Accrued Income Tax Penalties And Interest |  | 55 | 61 |
Interest expense associated with uncertain tax positions |  |  | 20 |
Foreign Country [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating Loss Carryforwards |  | 3,000 |  |
State And Local Jurisdiction [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating Loss Carryforwards |  | 1,300 |  |
Domestic Tax Authority [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating Loss Carryforwards |  | $ 169 |  |
Netherlands [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Expense (benefit) from the impact on deferred tax assets attributable to a lower enacted tax rate |  |  | (66) |
CARES Act [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax benefit |  |  | $ 279 | $ 71
Statutory Federal Income Tax Rate |  |  | 35.00% | 35.00%

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