Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Provision (benefit) for income taxes	$ 2,706	$ 2,306	$ 6,940	$ 4,058
Net discrete tax benefit			2,400	(175)
Income tax benefit, R&D tax credits				600
Cash paid for income taxes, net of refunds	2,004	$ 2,628	8,162	$ 6,982	$ 12,359	$ 8,677
Tax contingencies	$ 6,300		$ 6,300		$ 6,300		$ 5,200