Restructuring - Charges Activities by Type of Cost (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	$ 199	$ 175	$ 532	$ 559
Separation Costs
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	95	65	246	197
Accelerated Depreciation
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	36	21	79	97
Other
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	68	89	207	265
Cost of sales
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	33	54	94	167
Cost of sales | Separation Costs
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	0	0	0	0
Cost of sales | Accelerated Depreciation
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	31	16	74	51
Cost of sales | Other
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	2	38	20	116
Selling, general and administrative
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	40	26	93	74
Selling, general and administrative | Separation Costs
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	0	0	0	0
Selling, general and administrative | Accelerated Depreciation
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	5	5	5	17
Selling, general and administrative | Other
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	35	21	88	57
Research and development
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	0	1	1	30
Research and development | Separation Costs
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	0	0	0	0
Research and development | Accelerated Depreciation
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	0	0	0	29
Research and development | Other
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	0	1	1	1
Restructuring costs
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	126	94	344	288
Restructuring costs | Separation Costs
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	95	65	246	197
Restructuring costs | Accelerated Depreciation
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	0	0	0	0
Restructuring costs | Other
Restructuring Cost and Reserve [Line Items]
Total pretax restructuring costs	$ 31	$ 29	$ 98	$ 91