Restructuring, Impairment and Other - Narrative (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring and Related Activities [Abstract]
Restructuring, impairment and other	$ 159	$ 71	$ 50	$ 62	$ 59	$ 66	$ 146	$ 162	$ 342	$ 433	$ 412
Restructuring charges									314	304	385
Estimated remaining charges	$ 11								11
Restructuring Cost and Reserve [Line Items]
Amortization expense for intangible assets included in net income									365	455	387
Corporate
Restructuring and Related Activities [Abstract]
Restructuring charges									22	31	29
Trade names and trademarks
Restructuring Cost and Reserve [Line Items]
Amortization expense for intangible assets included in net income										80
Restructuring, impairment and other charges
Restructuring Cost and Reserve [Line Items]
Other asset impairment charges and foreign currency translation gain (loss), realized									$ 28	129	27
Currency gain (loss)											$ (12)
Restructuring, impairment and other charges | Corporate
Restructuring Cost and Reserve [Line Items]
Legal fees										25
Restructuring, impairment and other charges | Operating segments | Turbomachinery and Process Solutions and Oilfield Services
Restructuring Cost and Reserve [Line Items]
Business exit costs										$ 13