Income Taxes - Schedule of Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions |
May 31, 2020 |
May 31, 2019 |
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| Components Of Deferred Tax Assets And Liabilities [Abstract] | ||||
| Property, equipment, leases and intangibles | [1] | $ 3,819 | $ 592 | |
| Employee benefits | 1,448 | 1,256 | ||
| Self-insurance accruals | 647 | 585 | ||
| Other | 579 | 510 | ||
| Net operating loss/credit carryforwards | 1,262 | 1,139 | ||
| Valuation allowances | (450) | (590) | ||
| Deferred Tax Assets, Net | 7,305 | 3,492 | ||
| Property, equipment, leases and intangibles | [1] | 8,745 | 4,633 | |
| Other | 375 | 340 | ||
| Deferred Tax Liabilities | $ 9,120 | $ 4,973 | ||
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- Definition The amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax basis of capital assets, leases, and intangibles and the basis computed in accordance with generally accepted accounting principles. No definition available.
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- Definition The amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax basis of capital assets, leases, and intangibles and the basis computed in accordance with generally accepted accounting principles. No definition available.
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- References No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from employee benefits, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated losses under self insurance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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