Acquisitions and Dispositions (Allocation of Acquisition Costs) (Details) - USD ($) $ in Millions |
3 Months Ended | |||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Business Combination [Line Items] | ||||
| Cash | $ 43 | $ 37 | ||
| Estimated fair value of deferred/contingent purchase consideration | 2 | 10 | ||
| Total consideration | 45 | 62 | ||
| Allocation of purchase price: | ||||
| Goodwill | 24,273 | $ 23,538 | $ 24,337 | $ 23,306 |
| Current Fiscal Period Acquisitions | ||||
| Business Combination [Line Items] | ||||
| Cash | 43 | |||
| Estimated fair value of deferred/contingent purchase consideration | 2 | |||
| Total consideration | 45 | |||
| Allocation of purchase price: | ||||
| Cash and cash equivalents | 1 | |||
| Cash and cash equivalents held in a fiduciary capacity | 1 | |||
| Net receivables | 6 | |||
| Goodwill | 26 | |||
| Other intangible assets | 15 | |||
| Other assets | 1 | |||
| Total assets acquired | 50 | |||
| Fiduciary liabilities | 1 | |||
| Other liabilities | 4 | |||
| Total liabilities assumed | 5 | |||
| Net assets acquired | $ 45 | |||
| X | ||||||||||
- Definition Business Combination, Contingent and Deferred Consideration No definition available.
|
| X | ||||||||||
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Held in a Fiduciary Capacity No definition available.
|
| X | ||||||||||
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fiduciary Liabilities No definition available.
|
| X | ||||||||||
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Including Goodwill No definition available.
|
| X | ||||||||||
- 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/disclosureRef
|
| X | ||||||||||
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of cash and cash equivalent acquired in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of receivable acquired in business combination and recognized at acquisition date, classified as current. Includes, but is not limited to, receivable from customer for product and service. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of identifiable intangible asset acquired in business combination and recognized at acquisition date. Excludes goodwill and financial asset. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of liability assumed in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of liability assumed in business combination and recognized at acquisition date, classified as other and noncurrent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of asset acquired in business combination and recognized at acquisition date, classified as other and noncurrent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of asset acquired in excess of (less than) liability assumed plus goodwill in business combination and recognized at acquisition date, less fair value of noncontrolling interest in acquiree at acquisition date when acquirer holds less than 100 percent of equity interest in acquiree. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|