Retirement Plans - Schedule of Expected Future Benefit Payments (Details) $ in Millions |
May 31, 2021
USD ($)
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| Pension Plans [Member] | U.S. Plans [Member] | |
| Defined Benefit Plan Disclosure [Line Items] | |
| 2022 | $ 1,178 |
| 2023 | 1,246 |
| 2024 | 1,333 |
| 2025 | 1,417 |
| 2026 | 1,505 |
| 2027-2031 | 8,661 |
| Pension Plans [Member] | International Pension Plans [Member] | |
| Defined Benefit Plan Disclosure [Line Items] | |
| 2022 | 55 |
| 2023 | 57 |
| 2024 | 60 |
| 2025 | 65 |
| 2026 | 73 |
| 2027-2031 | 487 |
| Postretirement Healthcare Plans [Member] | |
| Defined Benefit Plan Disclosure [Line Items] | |
| 2022 | 110 |
| 2023 | 120 |
| 2024 | 129 |
| 2025 | 137 |
| 2026 | 139 |
| 2027-2031 | $ 541 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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