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Income Taxes - Additional Information (Details) - USD ($) $ in Millions |  | 3 Months Ended | 7 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 27, 2020 | May 31, 2020 | Nov. 30, 2019 | Feb. 28, 2019 | Nov. 30, 2018 | Dec. 31, 2017 | May 31, 2020 | May 31, 2019 | May 31, 2018
Income Taxes [Line Items] |  |  |  |  |  |  |  |  |  |
Earnings From Foreign Operations |  |  |  |  |  |  |  | $ 634 | $ 929 | $ 958
Statutory Federal Income Tax Rate |  |  |  |  |  |  | 35.00% | 21.00% | 21.00% | 29.20%
Benefit from reduction of valuation allowance on tax loss carryforwards |  |  |  | $ 133 | $ 90 |  |  | $ 133 | $ 90 |
Deferred income tax expense |  |  | $ 51 |  |  |  |  | 348 | (85) | $ (183)
Income tax benefit |  |  |  |  |  |  |  | (383) | (115) | 219
Income tax benefit related to lower statutory Income tax rate on earnings |  |  |  |  |  |  |  |  | 40 |
Income tax benefit from accelerated deductions to be claimed on 2018 tax return |  |  |  |  |  | $ (60) |  |  | 75 |
Provisional benefit related to remeasurement of net U.S. deferred tax liability |  |  |  |  |  |  |  |  |  | (1,150)
Tax benefit from corporate structuring transactions | [1] |  |  |  |  |  |  |  |  | 255
Tax benefits from foreign tax credits |  |  |  |  |  |  |  |  | 8 | 225
Recognition of cumulative benefit from TCJA |  |  |  |  |  |  |  |  | 233 |
Provisional benefit related to remeasurement of net U.S. deferred tax liability, income tax expense amount recognized |  |  |  |  |  |  |  |  | 4 |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate |  |  | 127 |  |  |  |  | 127 | 141 |
Unrecognized Tax Benefits Accrued Income Tax Penalties And Interest |  |  | 41 |  |  |  |  | 41 | 38 |
Foreign Country [Member] |  |  |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards |  |  | 3,600 |  |  |  |  | 3,600 |  |
State And Local Jurisdiction [Member] |  |  |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards |  |  | 1,100 |  |  |  |  | 1,100 |  |
U.S. Plans [Member] |  |  |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |  |  |
Additional provisional amount recognized one time benefit |  |  |  |  |  |  |  |  |  | 204
Defined benefit plan contributions by employer for one-time benefit |  |  |  |  |  |  |  |  |  | $ 1,500
Netherlands [Member] |  |  |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |  |  |
Expense from the impact on deferred taxes attributable to a lower enacted tax rate |  |  |  |  |  |  |  |  | $ 50 |
CARES Act [Member] |  |  |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |  |  |
Statutory Federal Income Tax Rate |  | 35.00% |  |  |  |  |  |  |  |
Income tax loss carryback period |  | 5 years |  |  |  |  |  |  |  |
Income tax benefit |  |  | $ 71 |  |  |  |  | $ 71 |  |
[1] | The 2018 net benefit consists of foreign deferred tax benefits of $434 million, which were partially offset by U.S. deferred tax expenses of $179 million.

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