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Consolidated Condensed Statements of Equity (Parenthetical) - USD ($) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | May 31, 2021 | Jun. 30, 2018
Statement of Stockholders' Equity [Abstract] |  |  |  |  |  |
Cash dividend declared per share (in dollars per share) | $ 1.70 | $ 0.74 | $ 1.70 | $ 0.74 |  |
Stock repurchase program, remaining authorized amount | $ 500,000,000.0 |  | $ 500,000,000.0 |  |  |
Stock repurchase program, authorized amount |  |  |  |  | $ 5,000,000,000.00 | $ 8,000,000,000.00
Purchase of treasury shares (in shares) | 0 |  | 0 |  |  |

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