Document and Entity Information Document $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) shares
Entity Registrant Name	FORD MOTOR CREDIT CO LLC
Entity Central Index Key	0000038009
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 31, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding | shares	0
Entity Shell Company	false
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Public Float | $	$ 0
Membership Interests Description	All of the limited liability company interests in the registrant (“Shares”) are held by an affiliate of the registrant. None of the Shares are publicly traded.
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	One American Road
Entity Address, City or Town	Dearborn,
Entity Address, State or Province	MI
Entity Tax Identification Number	38-1612444
Entity Address, Postal Zip Code	48126
Document Transition Report	false
Entity File Number	1-6368
City Area Code	(313)
Local Phone Number	322-3000
Entity Interactive Data Current	Yes
Entity Small Business	false
Document Quarterly Report	true
ICFR Auditor Attestation Flag	true
F/21C [Member]
Title of 12(b) Security	Floating Rate Notes due May 14, 2021*
Trading Symbol	F/21C
Security Exchange Name	NYSE
F/21AQ [Member]
Title of 12(b) Security	Floating Rate Notes due December 1, 2021*
Trading Symbol	F/21AQ
Security Exchange Name	NYSE
F/22T [Member]
Title of 12(b) Security	Floating Rate Notes due December 7, 2022*
Trading Symbol	F/22T
Security Exchange Name	NYSE
F/23D [Member]
Title of 12(b) Security	Floating Rate Notes due November 15, 2023*
Trading Symbol	F/23D
Security Exchange Name	NYSE
F/24L [Member]
Title of 12(b) Security	Floating Rate Notes due December 1, 2024*
Trading Symbol	F/24L
Security Exchange Name	NYSE
F/23E [Member]
Title of 12(b) Security	0.623% Notes due June 28, 2023*
Trading Symbol	F/23E
Security Exchange Name	NYSE
F/25i [Member]
Title of 12(b) Security	1.355% Notes due February 7, 2025*
Trading Symbol	F/25I
Security Exchange Name	NYSE
F/24O [Member]
Title of 12(b) Security	4.125% Notes due on June 20, 2024*
Trading Symbol	F/24O
Security Exchange Name	NYSE
F/24M [Member]
Title of 12(b) Security	3.021% Notes due March 6, 2024*
Trading Symbol	F/24M
Security Exchange Name	NYSE
F/25K [Member]
Title of 12(b) Security	4.535% Notes due March 6, 2025*
Trading Symbol	F/25K
Security Exchange Name	NYSE
F/26N [Member]
Title of 12(b) Security	3.350% Notes due Nine Months or More from the Date of Issue due August 20, 2026
Trading Symbol	F/26N
Security Exchange Name	NYSE
F/23G [Member]
Title of 12(b) Security	1.514% Notes due February 17, 2023*
Trading Symbol	F/23G
Security Exchange Name	NYSE
F/26AB [Member]
Title of 12(b) Security	2.386% Notes due February 17, 2026*
Trading Symbol	F/26AB
Security Exchange Name	NYSE
F/24R [Member]
Title of 12(b) Security	1.744% Notes due July 19, 2024*
Trading Symbol	F/24R
Security Exchange Name	NYSE
F/25L [Member]
Title of 12(b) Security	2.330% Notes due on November 25, 2025*
Trading Symbol	F/25L
Security Exchange Name	NYSE
F/24Q [Member]
Title of 12(b) Security	3.683% Notes due on December 3, 2024*
Trading Symbol	F/24Q
Security Exchange Name	NYSE
F/25M [Member]
Title of 12(b) Security	3.250% Notes due September 15, 2025*
Trading Symbol	F/25M
Security Exchange Name	NYSE
F/25S
Title of 12(b) Security	2.748% Notes due on June 14, 2024*
Trading Symbol	F/24S
Security Exchange Name	NYSE