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Retirement Benefits (Schedule Of Defined Benefit Plan Net Periodic Benefit Cost Amounts Recorded in Consolidated Statement of Income) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Compensation and benefits expense | $ (791) | $ (740) | $ (3,600) | $ (3,326)
Other net benefit credit | (57) | (69) | (178) | (211)
Pension Benefits |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Compensation and benefits expense | 6 | 9 | 21 | 29
Other net benefit credit | (58) | (69) | (180) | (212)
Net benefit credit | $ (52) | $ (60) | $ (159) | $ (183)

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