Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 89	$ 88
Inventory classified in Other assets	$ 4,193	$ 3,348
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)	1,049,466,187	1,045,470,249