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Background and Basis of Presentation (Narrative) (Details) - January 2021 Share Repurchase Program [Member] - USD ($) | Jun. 30, 2022 | Oct. 28, 2021 | Jan. 31, 2021
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Equity, Class of Treasury Stock [Line Items] |  |  |
Planned share repurchase program |  | $ 3,500,000,000 | $ 2,000,000,000
Stock repurchase program, remaining authorized repurchase amount | $ 742,000,000 |  |

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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- Details
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