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Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2022 | Aug. 31, 2021 | Aug. 31, 2022 | Aug. 31, 2021
Stockholders Equity Note [Line Items] |  |  |  |
Number of shares sold (in shares) | 0 | 4,600,000 | 5,200,000 | 4,600,000
Number of shares repurchased (in shares) | 0 | 4,600,000 | 5,200,000 | 4,600,000
Net proceeds from Stock Swap Program |  | $ 10 | $ 8 | $ 10
Shares issued (in shares) | 0 |  | 1,600,000 |
Average price of common stock sold (in dollars per share) |  |  | $ 19.27 |
Consideration received |  |  | $ 30 |
Public Offering |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |
Shares issued (in shares) | 117,500,000 |  |  |
Consideration received | $ 1,200 |  |  |
Shares issued price (in dollars per share) | $ 9.95 |  | $ 9.95 |

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