v3.26.1
Restructuring - Schedule of Charges Activities by Type of Cost (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs $ 334 $ 779 $ 800 $ 884
Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 172 649 490 649
Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 162 130 310 235
Accelerated Depreciation        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 115 55 223 96
Accelerated Depreciation | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 76 0 88 0
Accelerated Depreciation | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 39 55 135 96
Separation Costs        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 62 487 185 488
Separation Costs | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 63 481 186 481
Separation Costs | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs (1) 6 (1) 7
Other Exit Costs        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 157 237 392 300
Other Exit Costs | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 33 168 216 168
Other Exit Costs | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 124 69 176 132
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 85 100 229 100
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 99 65 192 101
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold | Accelerated Depreciation | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 76 0 88 0
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold | Accelerated Depreciation | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 39 55 135 96
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold | Separation Costs | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 0 0 0 0
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold | Separation Costs | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 0 0 0 0
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold | Other Exit Costs | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 9 100 141 100
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold | Other Exit Costs | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 60 10 57 5
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs (1)   33  
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | Accelerated Depreciation | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 0   0  
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | Separation Costs | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 0   0  
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | Other Exit Costs | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs (1)   33  
Location, Statement of Income, Balance [Axis]: us-gaap:RestructuringCharges | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 88 496 228 496
Location, Statement of Income, Balance [Axis]: us-gaap:RestructuringCharges | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 63 64 118 133
Location, Statement of Income, Balance [Axis]: us-gaap:RestructuringCharges | Accelerated Depreciation | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 0 0 0 0
Location, Statement of Income, Balance [Axis]: us-gaap:RestructuringCharges | Accelerated Depreciation | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 0 0 0 0
Location, Statement of Income, Balance [Axis]: us-gaap:RestructuringCharges | Separation Costs | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 63 481 186 481
Location, Statement of Income, Balance [Axis]: us-gaap:RestructuringCharges | Separation Costs | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs (1) 6 (1) 7
Location, Statement of Income, Balance [Axis]: us-gaap:RestructuringCharges | Other Exit Costs | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs 25 15 42 15
Location, Statement of Income, Balance [Axis]: us-gaap:RestructuringCharges | Other Exit Costs | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs $ 64 58 $ 119 126
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs   53   53
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs   1   1
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | Accelerated Depreciation | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs   0   0
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | Accelerated Depreciation | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs   0   0
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | Separation Costs | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs   0   0
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | Separation Costs | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs   0   0
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | Other Exit Costs | Restructuring Program, 2025        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs   53   53
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | Other Exit Costs | Restructuring Program, 2024        
Restructuring Cost and Reserve [Line Items]        
Total pretax restructuring costs   $ 1   $ 1