Stock Compensation - Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation	$ 387	$ 362	$ 289
COR
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation	52	44	34
R&D
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation	132	119	90
SG&A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation	$ 203	$ 199	$ 165