Cover Page - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Feb. 07, 2022	Jun. 30, 2021
Entity Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	1-09397
Entity Registrant Name	Baker Hughes Holdings LLC
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	76-0207995
Entity Address, Address Line One	17021 Aldine Westfield Road
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	5.125% Senior Notes due 2040
Trading Symbol	-
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
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
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		0
Documents Incorporated by Reference	The registrant meets the conditions set forth in General Instruction 1(1)(a) and (b) of Form 10-K and is therefore filing this report with the reduced disclosure format.
Entity Central Index Key	0000808362
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Public Float			$ 0