Restructuring, Impairment and Other - Schedule of Restructuring Charges (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 435	$ 62
Impairments of property, plant & equipment
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	141	9
Employee-related termination expenses
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	272	44
Contract termination fees
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	21	7
Other incremental costs
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	1	2
Operating segments | Oilfield Services
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	296	17
Operating segments | Oilfield Equipment
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	98	18
Operating segments | Turbo-machinery & Process Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	8	19
Operating segments | Digital Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	24	3
Corporate
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 9	$ 5