Inventories - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Inventory [Line Items]
LIFO inventory amount	$ 3,400	$ 3,300
Inventory classified in Other assets	2,938	2,194
Inventory Not Expected to be Sold Within One Year
Inventory [Line Items]
Inventory classified in Other assets	2,400	1,900
Inventories Produced in Preparation for Product Launches
Inventory [Line Items]
Inventory classified in Other assets	$ 516	$ 256