Goodwill and other intangible assets (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization charges associated with finite-lived intangible assets	$ 693	$ 637
Total estimated amortization of finite-lived intangible assets for the remainder of the year	2,100
Total estimated amortization of finite-lived intangible assets for year one	2,700
Total estimated amortization of finite-lived intangible assets for year two	2,500
Total estimated amortization of finite-lived intangible assets for year three	2,200
Total estimated amortization of finite-lived intangible assets for year four	2,100
Total estimated amortization of finite-lived intangible assets for year five	$ 1,100