v3.24.2
Restructuring Costs - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]          
Transaction and transformation $ 97 $ 93 $ 222 $ 152  
Transformation Program [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring, description     In the fourth quarter of 2021, the Company initiated a three-year ‘Transformation program’ designed to enhance operations, optimize technology and align its real estate footprint to its new ways of working    
Restructuring, Expected future effects     $ 1,175    
Transaction and transformation $ 86 $ 82 205 $ 127  
Transformation Program [Member] | Projected Annual Cost Savings by End of 2024 [Member]          
Restructuring Cost and Reserve [Line Items]          
Annual cost savings of program         $ 450
Transformation Program [Member] | Cumulative Costs [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring, Expected future effects     1,045    
Transformation Program [Member] | Capital Expenditures [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring, Expected future effects     $ 130