Cover Page - shares	3 Months Ended
	Mar. 31, 2021	Apr. 16, 2021
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Entity File Number	1-09397
Registrant Name	Baker Hughes Holdings LLC
Entity Incorporation, State Code	DE
Entity Tax Identification Number	76-0207995
Entity Address, Address Line One	17021 Aldine Westfield
Entity Address, City or Town	Houston,
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77073-5101
City Area Code	713
Local Phone Number	439-8600
Title of 12(b) Security	Share 5.125% Senior Notes due 2040
Trading Symbol	-
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		0
Entity Central Index Key	0000808362
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Amendment Flag	false