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Share Repurchase Program (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended |
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Mar. 31, 2023 | Mar. 31, 2022 | Sep. 07, 2021
Share Repurchase Program [Abstract] |  |  |
Repurchase authorized amount |  |  | $ 400
Repurchase authorized period | 3 years |  |
Number of shares purchased | 4,478,194 | 1,100,000 |
Cost of share purchased | $ 162 | $ 40 |
Remaining available for future repurchases under program | $ 238 |  |

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- Definition Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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