Goodwill and Intangible Assets - Goodwill (Details) - USD ($)		12 Months Ended
	Jul. 01, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Balance at December 31, 2019, gross				$ 24,150,000,000
Accumulated impairment at December 31, 2019				(3,754,000,000)
Goodwill [Roll Forward]
Goodwill, net, beginning balance		$ 5,739,000,000	$ 20,396,000,000
Impairment	$ 0	0	(14,717,000,000)	0
Currency exchange and others		(18,000,000)	60,000,000
Goodwill, net, ending balance		5,721,000,000	5,739,000,000	20,396,000,000
Oilfield Services
Goodwill [Line Items]
Balance at December 31, 2019, gross				15,382,000,000
Accumulated impairment at December 31, 2019				(2,633,000,000)
Goodwill [Roll Forward]
Goodwill, net, beginning balance		1,301,000,000	12,749,000,000
Impairment			(11,428,000,000)
Currency exchange and others		10,000,000	(20,000,000)
Goodwill, net, ending balance		1,311,000,000	1,301,000,000	12,749,000,000
Oilfield Equipment
Goodwill [Line Items]
Balance at December 31, 2019, gross				4,186,000,000
Accumulated impairment at December 31, 2019				(867,000,000)
Goodwill [Roll Forward]
Goodwill, net, beginning balance		6,000,000	3,319,000,000
Impairment			(3,289,000,000)
Currency exchange and others		(3,000,000)	(24,000,000)
Goodwill, net, ending balance		3,000,000	6,000,000	3,319,000,000
Turbo-machinery & Process Solutions
Goodwill [Line Items]
Balance at December 31, 2019, gross				2,171,000,000
Accumulated impairment at December 31, 2019				0
Goodwill [Roll Forward]
Goodwill, net, beginning balance		2,234,000,000	2,171,000,000
Impairment			0
Currency exchange and others		(62,000,000)	63,000,000
Goodwill, net, ending balance		2,172,000,000	2,234,000,000	2,171,000,000
Digital Solutions
Goodwill [Line Items]
Balance at December 31, 2019, gross				2,411,000,000
Accumulated impairment at December 31, 2019				(254,000,000)
Goodwill [Roll Forward]
Goodwill, net, beginning balance		2,198,000,000	2,157,000,000
Impairment			0
Currency exchange and others		37,000,000	41,000,000
Goodwill, net, ending balance		$ 2,235,000,000	$ 2,198,000,000	$ 2,157,000,000