Stock Compensation - Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation	$ 419	$ 387	$ 362
COR
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation	53	52	44
R&D
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation	145	132	119
SG&A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation	$ 221	$ 203	$ 199