Goodwill and Other Intangible Assets - Schedule of Other Intangible Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Finite-lived Intangible Assets [Roll Forward]
Other intangible assets, beginning balance	$ 16,306	$ 17,317
Acquisitions	8	21
Foreign currency translation	33	(20)
Amortization of other intangible assets	(994)	(1,012)
Other intangible assets, ending balance	$ 15,353	$ 16,306