Cost Reduction Program And Other Charges - Schedule of Charges (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges		$ 145	$ 40	$ 1,029
Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				890
Russia deconsolidation charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges	$ 787			787
Other Russia related and cost reduction charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				103
Merger-related costs and other charges
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				139
Operating Segments | Americas
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				4
Operating Segments | Americas | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				0
Operating Segments | Americas | Russia deconsolidation charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				0
Operating Segments | Americas | Other Russia related and cost reduction charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				0
Operating Segments | Americas | Merger-related costs and other charges
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				4
Operating Segments | EMEA
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				751
Operating Segments | EMEA | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				726
Operating Segments | EMEA | Russia deconsolidation charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				733
Operating Segments | EMEA | Other Russia related and cost reduction charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				(7)
Operating Segments | EMEA | Merger-related costs and other charges
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				25
Operating Segments | APAC
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				28
Operating Segments | APAC | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				0
Operating Segments | APAC | Russia deconsolidation charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				0
Operating Segments | APAC | Other Russia related and cost reduction charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				0
Operating Segments | APAC | Merger-related costs and other charges
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				28
Operating Segments | Engineering
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				205
Operating Segments | Engineering | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				164
Operating Segments | Engineering | Russia deconsolidation charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				54
Operating Segments | Engineering | Other Russia related and cost reduction charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				110
Operating Segments | Engineering | Merger-related costs and other charges
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				41
Operating Segments | Other
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				41
Operating Segments | Other | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				0
Operating Segments | Other | Russia deconsolidation charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				0
Operating Segments | Other | Other Russia related and cost reduction charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				0
Operating Segments | Other | Merger-related costs and other charges
Restructuring Cost and Reserve [Line Items]
Cost reduction program and other charges				$ 41