Taxes - Schedule of Cash Taxes Paid (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Income taxes, net of amounts refunded	$ 2,736	$ 3,040	$ 2,725
Employment taxes	1,245	1,225	618
Property and other taxes	1,959	1,756	2,093
Total	$ 5,940	$ 6,021	$ 5,436