Goodwill and Other Intangible Assets, net (Changes in Goodwill and Net Carrying Amount of Intangible Assets) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
|
| Goodwill [Roll Forward] | |||||
| Goodwill, beginning of period | $ 6,945 | $ 6,791 | $ 6,791 | ||
| Acquisitions | 0 | 154 | |||
| Impairments | $ 0 | $ 0 | (873) | 0 | 0 |
| Goodwill, end of period | 6,072 | 6,072 | 6,945 | ||
| Intangible Assets [Roll Forward] | |||||
| Intangible assets, net, beginning of period | 12,973 | 13,686 | 13,686 | ||
| Acquisitions | 1 | (220) | |||
| Impairment of goodwill | 0 | (354) | |||
| Amortization | (37) | (37) | (74) | (64) | (139) |
| Intangible assets, net, end of period | $ 12,900 | $ 3,600 | $ 12,900 | $ 3,600 | $ 12,973 |
| X | ||||||||||
- Definition Intangible Assets Net Acquired During Period No definition available.
|
| X | ||||||||||
- Definition Intangible Assets [Roll Forward] No definition available.
|
| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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 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
|
| 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
|
| 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.
|
| X | ||||||||||
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|