Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Indefinite-life intangible assets
Gross carrying amount	$ 18,601	$ 17,770
Definite-life intangible assets
Gross carrying amount	3,465	3,306
Accumulated amortization	(2,455)	(2,228)
Net carrying amount	1,010	1,078
Total
Gross carrying amount	22,066	21,076
Net carrying amount	$ 19,611	$ 18,848