Acquisitions and Divestitures (Details) ¥ in Millions, $ in Millions			3 Months Ended		9 Months Ended
	Nov. 01, 2024 USD ($)	Nov. 01, 2024 JPY (¥)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Business Combination [Line Items]
Cash consideration paid					$ 15	$ 0
Goodwill			$ 24,250		24,250		$ 23,017
Disposed of by Sale
Business Combination [Line Items]
Gain (loss) on divestitures			0	$ 2	7	(2)
Evirth
Business Combination [Line Items]
Cash consideration paid	$ 255	¥ 1,800
Goodwill	125
Goodwill deductible for income tax purposes	0
Acquisition integration costs and contingent consideration adjustments			$ 18	$ (326)	$ (11)	$ (247)
Evirth | Customer Relationships
Business Combination [Line Items]
Definite-lived intangible assets acquired	$ 117
Estimated useful life	17 years	17 years