Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 72	$ 62
Inventory classified in Other assets	$ 2,938	$ 2,194
Common stock, par value (in dollars per share)	$ 0.50	$ 0.50
Common stock, authorized (in shares)	6,500,000,000	6,500,000,000
Common stock, shares issued (in shares)	3,577,103,522	3,577,103,522
Treasury stock, shares (in shares)	1,039,269,638	1,049,499,023