Goodwill and Other Intangibles (Amortized Intangible Assets) (Details) - USD ($) $ in Millions |
Jun. 30, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Cost | $ 4,874 | $ 4,728 |
| Accumulated Amortization | 2,236 | 2,098 |
| Net Carrying Amount | 2,638 | 2,630 |
| Client relationships | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Cost | 4,498 | 4,337 |
| Accumulated Amortization | 1,905 | 1,761 |
| Net Carrying Amount | 2,593 | 2,576 |
| Other | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Cost | 376 | 391 |
| Accumulated Amortization | 331 | 337 |
| Net Carrying Amount | $ 45 | $ 54 |
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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