Goodwill and Other Intangible Assets, net (Schedule of Goodwill and Net Carrying Amount of Intangible Assets) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
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| Goodwill | |||||||
| Balance at beginning of period | $ 6,945 | $ 5,787 | $ 6,945 | $ 6,945 | |||
| Acquisitions | 0 | 0 | |||||
| Impairments | $ 0 | $ (285) | $ 0 | (873) | 0 | (873) | (1,158) |
| Balance of end of period | 5,787 | 5,787 | 5,787 | 5,787 | |||
| Other Intangible Assets, net | |||||||
| Balance beginning of period | $ 12,973 | 11,876 | 12,973 | 12,973 | |||
| Acquisitions | 20 | 5 | |||||
| Impairments | 0 | (970) | |||||
| Amortization | (23) | $ (37) | (46) | $ (74) | (132) | ||
| Balance end of period | $ 11,850 | $ 11,876 | $ 11,850 | $ 11,876 | |||
| X | ||||||||||
- Definition Indefinite-Lived And Finite Lived Intangible Assets, Acquired No definition available.
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| X | ||||||||||
- Definition Intangible Assets Net Impairment Loss No definition available.
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| X | ||||||||||
- Definition Intangible Assets [Roll Forward] No definition available.
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- Definition Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| 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/disclosureRef
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| X | ||||||||||
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of impairment loss from 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://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition Amount, after accumulated amortization, of finite- and indefinite-lived intangible assets and capitalized cost for software to be sold, leased, or marketed. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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