Goodwill and other intangible assets (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization charges associated with finite-lived intangible assets	$ 637	$ 654
Total estimated amortization of finite-lived intangible assets for the nine months ending December 31, 2022	1,900
Total estimated amortization of finite-lived intangible assets for 2023	2,500
Total estimated amortization of finite-lived intangible assets for 2024	2,500
Total estimated amortization of finite-lived intangible assets for 2025	2,400
Total estimated amortization of finite-lived intangible assets for 2026	1,700
Total estimated amortization of finite-lived intangible assets for 2027	$ 1,800