Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 01, 2022
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Period End Date	Jun. 30, 2022
Document Transition Report	false
Entity File Number	001-11001
Entity Registrant Name	FRONTIER COMMUNICATIONS PARENT, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	86-2359749
Entity Address, Address Line One	401 Merritt 7
Entity Address, City or Town	Norwalk
Entity Address, State or Province	CT
Entity Address, Postal Zip Code	06851
City Area Code	203
Local Phone Number	614-5600
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	FYBR
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		244,985,000
Entity Central Index Key	0000020520