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Parent Only Statements - Balance Sheets Parentheticals (Details) - USD ($) $ / shares in Units, $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Nov. 30, 2020 | Oct. 31, 2020
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Condensed Financial Statements, Captions [Line Items] |  |  |  |
Preferred stock, par value/stated value (in dollars per share) | $ 0.20 | $ 0.20 |  |
Preferred stock, shares authorized (in shares) | 20,000,000 | 20,000,000 |  |
Common stock, par value (in dollars per share) | $ 0.20 | $ 0.20 |  |
Common stock, shares authorized (in shares) | 1,125,000,000 | 1,125,000,000 |  |
Common stock, shares issued (in shares) | 432,000,000.0 | 456,700,000 |  |
Accumulated other comprehensive income, tax | $ 5,707 | $ (10,908) |  |
Common stock held in treasury (In shares) | 153,100,000 | 81,400,000 |  |
Series B Preferred Stock |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Preferred stock, par value/stated value (in dollars per share) | $ 100 | $ 100 |  |
Common stock, par value (in dollars per share) |  |  | $ 45 |
Common stock, shares authorized (in shares) |  |  |  | 2,000,000
Common stock, shares issued (in shares) |  |  | 1,489,304 |
Parent Company |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Preferred stock, par value/stated value (in dollars per share) | $ 0.20 | $ 0.20 |  |
Preferred stock, shares authorized (in shares) | 20,000,000 | 20,000,000 |  |
Common stock, par value (in dollars per share) | $ 0.20 | $ 0.20 |  |
Common stock, shares authorized (in shares) | 1,125,000,000 | 1,125,000,000 |  |
Common stock, shares issued (in shares) | 432,000,000.0 | 456,700,000 |  |
Accumulated other comprehensive income, tax | $ 5,707 | $ (10,908) |  |
Common stock held in treasury (In shares) | 153,100,000 | 81,400,000 |  |
Parent Company | Series B Preferred Stock |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Preferred stock, par value/stated value (in dollars per share) | $ 100 | $ 100 |  |
Preferred stock, shares issued (in shares) | 2,500,000 | 2,500,000 |  |

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