Condensed Consolidated Statements of Changes in Common Stockholders' Investment (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Feb. 28, 2021 |
Feb. 29, 2020 |
Feb. 28, 2021 |
Feb. 29, 2020 |
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| Statement Of Stockholders Equity [Abstract] | ||||
| Cash dividends declared, per share | $ 0.65 | $ 0.65 | $ 2.60 | $ 2.60 |
| Other comprehensive income, tax (expense)/benefit | $ (1) | $ 13 | $ (4) | $ 22 |
| Purchase of treasury stock | 0 | 20,000.00 | ||
| Employee incentive plans and other, shares issued | 300,000 | 100,000 | 3,700,000 | 600,000 |
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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