Cost Reduction Programs and Other Charges - Schedule of Charges (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	$ 273	$ 506	$ 567
Merger related and other charges
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	(65)	115	263
Operating Segments | Americas
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	0	72	90
Operating Segments | Americas | Merger related and other charges
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	(6)	13	34
Operating Segments | EMEA
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	238	155	142
Operating Segments | EMEA | Merger related and other charges
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	1	3	21
Operating Segments | APAC
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	(22)	12	122
Operating Segments | APAC | Merger related and other charges
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	(50)	3	72
Operating Segments | Engineering
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	26	70	4
Operating Segments | Engineering | Merger related and other charges
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	0	4	(9)
Operating Segments | Other
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	31	197	209
Operating Segments | Other | Merger related and other charges
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	(10)	92	145
Cost Reduction Program
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	338	391	304
Cost Reduction Program | Severance costs
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	259	298	204
Cost Reduction Program | Other cost reduction charges
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	79	93	100
Cost Reduction Program | Operating Segments | Americas
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	6	59	56
Cost Reduction Program | Operating Segments | Americas | Severance costs
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	4	35	36
Cost Reduction Program | Operating Segments | Americas | Other cost reduction charges
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	2	24	20
Cost Reduction Program | Operating Segments | EMEA
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	237	152	121
Cost Reduction Program | Operating Segments | EMEA | Severance costs
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	204	131	105
Cost Reduction Program | Operating Segments | EMEA | Other cost reduction charges
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	33	21	16
Cost Reduction Program | Operating Segments | APAC
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	28	9	50
Cost Reduction Program | Operating Segments | APAC | Severance costs
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	16	7	40
Cost Reduction Program | Operating Segments | APAC | Other cost reduction charges
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	12	2	10
Cost Reduction Program | Operating Segments | Engineering
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	26	66	13
Cost Reduction Program | Operating Segments | Engineering | Severance costs
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	20	38	1
Cost Reduction Program | Operating Segments | Engineering | Other cost reduction charges
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	6	28	12
Cost Reduction Program | Operating Segments | Other
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	41	105	64
Cost Reduction Program | Operating Segments | Other | Severance costs
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	15	87	22
Cost Reduction Program | Operating Segments | Other | Other cost reduction charges
Restructuring Cost and Reserve [Line Items]
Cost reduction programs and other charges	$ 26	$ 18	$ 42