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Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Feb. 28, 2022 | Nov. 02, 2021 | Nov. 30, 2022 | May 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021
Stockholders Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Dividends rate per share |  |  |  |  | $ 1.55 | $ 1.27 | $ 1.00 | $ 0.49 | $ 0.34 | $ 0.30
Fixed Dividend [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Percentage Increase In Quarterly Dividend |  |  |  |  | 13.00% |  | 45.00% |  |  |
Dividends rate per share |  |  |  |  | $ 0.18 |  | $ 0.16 |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Dividend payable, per share |  |  | $ 1.35 |  |  |  |  |  |  |
Dividend payable amount |  |  | $ 880 |  |  |  |  |  |  |
Subsequent Event | Fixed Dividend [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Dividends rate per share |  |  | $ 0.18 |  |  |  |  |  |  |
Subsequent Event | Variable Dividend [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Dividends rate per share |  |  | $ 1.17 |  |  |  |  |  |  |
Share Repurchase Program [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Repurchase of common stock | $ 1,600 | $ 1,000 |  | $ 2,000 |  |  |  |  |  |
Repurchase program expiration date | May 31, 2022 | Dec. 31, 2022 |  | May 04, 2023 |  |  |  |  |  |

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