Inventories - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Inventory [Line Items]
LIFO inventory amount	$ 3,400	$ 3,100
Inventory classified in Other assets	4,193	3,348
Inventory Not Expected to be Sold Within One Year
Inventory [Line Items]
Inventory classified in Other assets	3,800	2,600
Inventories Produced in Preparation for Product Launches
Inventory [Line Items]
Inventory classified in Other assets	$ 412	$ 790