Consolidated and Combined Statements of Changes in Equity - USD ($) $ in Millions	Total	Common Stock	Capital in Excess of Par Value	Parent's Net Investment	Retained Earnings (Loss)	Accumulated Other Comprehensive Loss	Non-controlling Interests	Class A Common Stock	Class B Common Stock	Cash dividend Common Stock	Cash dividend Capital in Excess of Par Value	Cash dividend Retained Earnings (Loss)
Beginning balance at Dec. 31, 2015		$ 14,545	$ 0	$ 15,920	$ 0	$ (1,532)	$ 157	$ 0	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 185	185		254			(69)
Other comprehensive income (loss)	(370)	(370)				(356)	(14)
Changes in Parent's net investment		259		259
Net activity related to noncontrolling interests		93					93
Ending balance at Dec. 31, 2016		14,280	0	16,001	0	(1,888)	167	0	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(391)
Other comprehensive income (loss)	57
Dividends and paired distributions to GE (1)		(251)					(251)
Stock-based compensation cost	37
Ending balance at Dec. 31, 2017	38,410	38,410	15,083	0	(103)	(703)	24,133	0	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	283	283			195		88
Other comprehensive income (loss)	(573)	(573)				(230)	(343)
Dividend										$ (315)	$ (224)	$ (91)
Dividends and paired distributions to GE (1)		(495)					(495)
Effect of exchange of BHGE LLC Units		0	4,043			(282)	(3,761)
Repurchase and cancellation of BHGE LLC Units and Class B common stock		(2,087)					(2,087)
Repurchase and cancellation of common stock		(374)	(374)
Stock-based compensation cost	121	121	121
Other		(24)	10		(1)	(4)	(29)
Ending balance at Dec. 31, 2018	$ 35,013	$ 35,013	$ 18,659	$ 0	$ 25	$ (1,219)	$ 17,548	$ 0	$ 0