Cover page - USD ($) $ in Billions	12 Months Ended
	Feb. 27, 2021	Apr. 27, 2021	Sep. 11, 2020
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Feb. 27, 2021
Document Transition Report	false
Entity File Number	001-39350
Entity Registrant Name	Albertsons Companies, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	47-4376911
Entity Address, Address Line One	250 Parkcenter Blvd.
Entity Address, City or Town	Boise
Entity Address, State or Province	ID
Entity Address, Postal Zip Code	83706
City Area Code	208
Local Phone Number	395-6200
Title of 12(b) Security	Class A common stock, $0.01 par value
Trading Symbol	ACI
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	No
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	false
Entity Shell Company	false
Entity Public Float			$ 1.4
Entity Common Stock, Shares Outstanding		466,514,113
Documents Incorporated by Reference	Items 10, 11, 12, 13 and 14 of Part III incorporate information by reference from the registrant's definitive proxy statement related to its 2021 Annual Meeting of Stockholders, to be filed with the Securities and Exchange Commission within 120 days after the end of the fiscal year ended February 27, 2021 (the "Proxy Statement"). Except as expressly incorporated by reference, the Proxy Statement shall not be deemed to be part of this Annual Report on Form 10-K.
Entity Central Index Key	0001646972
Current Fiscal Year End Date	--02-27
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Amendment Flag	false