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Restructuring - Charges Activities by Type of Cost (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs $ 258 $ 128 $ 384 $ 462
Separation Costs        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 106 64 132 293
Accelerated Depreciation        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 47 19 76 38
Other        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 105 45 176 131
Cost of sales        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 67 38 113 65
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 17 11 35 21
Cost of sales | Other        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 50 27 78 44
Selling, general and administrative        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 27 2 48 4
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 8 2 12 4
Selling, general and administrative | Other        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 19 0 36 0
Research and development        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 22 6 29 13
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 22 6 29 13
Research and development | Other        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 0 0 0 0
Restructuring costs        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 142 82 194 380
Restructuring costs | Separation Costs        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 106 64 132 293
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 $ 36 $ 18 $ 62 $ 87