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Unaudited Condensed Consolidated Statements of Shareholders' Equity - USD ($) shares in Millions, $ in Millions | Total | CAPITAL IN EXCESS OF STATED VALUE | ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) | RETAINED EARNINGS (DEFICIT) | Class A Common Stock | Class A Common Stock COMMON STOCK | Class B Common Stock | Class B Common Stock COMMON STOCK
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance (in shares) at May. 31, 2020 |  |  |  |  |  | 315 |  | 1,243
Beginning balance at May. 31, 2020 | $ 8,055 | $ 8,299 | $ (56) | $ (191) |  | $ 0 |  | $ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Stock options exercised (in shares) |  |  |  |  |  |  |  | 15
Stock options exercised | 657 | 657 |  |  |  |  |  |
Conversion to Class B Common Stock (in shares) |  |  |  |  |  | (10) |  | 10
Conversion to Class B Common Stock | 0 |  |  |  |  |  |  |
Dividends on common stock and preferred stock | (820) |  |  | (820) |  |  |  |
Issuance of shares to employees, net of shares withheld for employee taxes (in shares) |  |  |  |  |  |  |  | 2
Issuance of shares to employees, net of shares withheld for employee taxes | 27 | 55 |  | (28) |  |  |  |
Stock-based compensation | 325 | 325 |  |  |  |  |  |
Net income | 2,769 |  |  | 2,769 |  |  |  |
Other comprehensive income (loss) | (373) |  | (373) |  |  |  |  |
Ending Balance (in shares) at Nov. 30, 2020 |  |  |  |  |  | 305 |  | 1,270
Ending balance at Nov. 30, 2020 | 10,640 | 9,336 | (429) | 1,730 |  | $ 0 |  | $ 3
Beginning Balance (in shares) at Aug. 31, 2020 |  |  |  |  |  | 315 |  | 1,250
Beginning balance at Aug. 31, 2020 | 9,224 | 8,695 | (401) | 927 |  | $ 0 |  | $ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Stock options exercised (in shares) |  |  |  |  |  |  |  | 8
Stock options exercised | 366 | 366 |  |  |  |  |  |
Conversion to Class B Common Stock (in shares) |  |  |  |  |  | (10) |  | 10
Dividends on common stock and preferred stock | (437) |  |  | (437) |  |  |  |
Issuance of shares to employees, net of shares withheld for employee taxes (in shares) |  |  |  |  |  |  |  | 2
Issuance of shares to employees, net of shares withheld for employee taxes | 75 | 86 |  | (11) |  |  |  |
Stock-based compensation | 189 | 189 |  |  |  |  |  |
Net income | 1,251 |  |  | 1,251 |  |  |  |
Other comprehensive income (loss) | (28) |  | (28) |  |  |  |  |
Ending Balance (in shares) at Nov. 30, 2020 |  |  |  |  |  | 305 |  | 1,270
Ending balance at Nov. 30, 2020 | 10,640 | 9,336 | (429) | 1,730 |  | $ 0 |  | $ 3
Beginning Balance (in shares) at May. 31, 2021 |  |  |  |  | 305 | 305 | 1,273 | 1,273
Beginning balance at May. 31, 2021 | 12,767 | 9,965 | (380) | 3,179 |  | $ 0 |  | $ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Stock options exercised (in shares) |  |  |  |  |  |  |  | 13
Stock options exercised | 725 | 725 |  |  |  |  |  |
Repurchase of Class B Common Stock (in shares) |  |  |  |  |  |  |  | (11)
Repurchase of Class B common stock | (1,710) | (69) |  | (1,641) |  |  |  |
Dividends on common stock and preferred stock | (918) |  |  | (918) |  |  |  |
Issuance of shares to employees, net of shares withheld for employee taxes (in shares) |  |  |  |  |  |  |  | 3
Issuance of shares to employees, net of shares withheld for employee taxes | 18 | 63 |  | (45) |  |  |  |
Stock-based compensation | 306 | 306 |  |  |  |  |  |
Net income | 3,211 |  |  | 3,211 |  |  |  |
Other comprehensive income (loss) | 525 |  | 525 |  |  |  |  |
Ending Balance (in shares) at Nov. 30, 2021 |  |  |  |  | 305 | 305 | 1,278 | 1,278
Ending balance at Nov. 30, 2021 | 14,924 | 10,990 | 145 | 3,786 |  | $ 0 |  | $ 3
Beginning Balance (in shares) at Aug. 31, 2021 |  |  |  |  |  | 305 |  | 1,278
Beginning balance at Aug. 31, 2021 | 14,343 | 10,521 | (67) | 3,886 |  | $ 0 |  | $ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Stock options exercised (in shares) |  |  |  |  |  |  |  | 3
Stock options exercised | 256 | 256 |  |  |  |  |  |
Repurchase of Class B Common Stock (in shares) |  |  |  |  |  |  |  | (6)
Repurchase of Class B common stock | (968) | (40) |  | (928) |  |  |  |
Dividends on common stock and preferred stock | (483) |  |  | (483) |  |  |  |
Issuance of shares to employees, net of shares withheld for employee taxes (in shares) |  |  |  |  |  |  |  | 3
Issuance of shares to employees, net of shares withheld for employee taxes | 57 | 83 |  | (26) |  |  |  |
Stock-based compensation | 170 | 170 |  |  |  |  |  |
Net income | 1,337 |  |  | 1,337 |  |  |  |
Other comprehensive income (loss) | 212 |  | 212 |  |  |  |  |
Ending Balance (in shares) at Nov. 30, 2021 |  |  |  |  | 305 | 305 | 1,278 | 1,278
Ending balance at Nov. 30, 2021 | $ 14,924 | $ 10,990 | $ 145 | $ 3,786 |  | $ 0 |  | $ 3

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