Russia-Ukraine conflict and Other Charges - Schedule of Charges (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]
Russia-Ukraine conflict and other charges	$ 993	$ 204	$ 989	$ 196
Total Russia charges
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	901		901
Deconsolidation | Total Russia charges
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	787		787
Other cost reduction charges | Total Russia charges
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	114		114
Merger-related and other charges
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	92		88
Operating Segments | Americas
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	3		3
Operating Segments | EMEA
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	784		784
Operating Segments | APAC
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	28		24
Operating Segments | Engineering
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	166		166
Operating Segments | Other
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	12		12
Operating Segments | Total Russia charges | Americas
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	0		0
Operating Segments | Total Russia charges | EMEA
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	735		735
Operating Segments | Total Russia charges | APAC
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	0		0
Operating Segments | Total Russia charges | Engineering
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	166		166
Operating Segments | Total Russia charges | Other
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	0		0
Operating Segments | Deconsolidation | Total Russia charges | Americas
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	0		0
Operating Segments | Deconsolidation | Total Russia charges | EMEA
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	733		733
Operating Segments | Deconsolidation | Total Russia charges | APAC
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	0		0
Operating Segments | Deconsolidation | Total Russia charges | Engineering
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	54		54
Operating Segments | Deconsolidation | Total Russia charges | Other
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges
Operating Segments | Other cost reduction charges | Total Russia charges | Americas
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	0		0
Operating Segments | Other cost reduction charges | Total Russia charges | EMEA
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	2		2
Operating Segments | Other cost reduction charges | Total Russia charges | APAC
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	0		0
Operating Segments | Other cost reduction charges | Total Russia charges | Engineering
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	112		112
Operating Segments | Other cost reduction charges | Total Russia charges | Other
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	0		0
Operating Segments | Merger-related and other charges | Americas
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	3		3
Operating Segments | Merger-related and other charges | EMEA
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	49		49
Operating Segments | Merger-related and other charges | APAC
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	28		24
Operating Segments | Merger-related and other charges | Engineering
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges			0
Operating Segments | Merger-related and other charges | Other
Restructuring Cost and Reserve [Line Items]
Russia-Ukraine conflict and other charges	$ 12		$ 12