Liberty Global (LBTYK) 10-K/A 30 Mar 21 2020 FY Annual report (amended) Financial data

Document and Entity Information

Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Jan. 31, 2021	Jun. 30, 2020
Entity Information [Line Items]
Document Type	10-K/A
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Document Transition Report	false
Entity File Number	001-35961
Entity Registrant Name	Liberty Global plc
Entity Incorporation, State or Country Code	X0
Entity Tax Identification Number	98-1112770
Entity Address, Address Line One	Griffin House
Entity Address, Address Line Two	161 Hammersmith Rd
Entity Address, City or Town	London
Entity Address, Country	GB
Entity Address, Postal Zip Code	W6 8BS
Country Region	44
City Area Code	208
Local Phone Number	483.6449
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
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 Public Float			$ 12,300
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCE Portions of the definitive proxy statement for the Registrant’s 2021 Annual General Meeting of Shareholders are incorporated by reference in Part III of this Form 10-K .
Entity Central Index Key	0001570585
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Amendment Flag	true
Amendment Description	file rule 3-09 financials
ICFR Auditor Attestation Flag	true
Class A
Entity Information [Line Items]
Title of 12(b) Security	Class A ordinary shares
Trading Symbol	LBTYA
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		181,355,249
Class B
Entity Information [Line Items]
Title of 12(b) Security	Class B ordinary shares
Trading Symbol	LBTYB
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		12,561,444
Class C
Entity Information [Line Items]
Title of 12(b) Security	Class C ordinary shares
Trading Symbol	LBTYK
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		383,495,825

SCHEDULE I (Parent Company Info

SCHEDULE I (Parent Company Information) CONDENSED BALANCE SHEET - Additional Information (Details) - Liberty Global Plc - $ / shares	Dec. 31, 2020	Dec. 31, 2019
Class A
Condensed Financial Statements, Captions [Line Items]
Common stock, nominal value (in dollars per share)	$ 0.01	$ 0.01
Common stock, issued (in shares)	181,560,735	204,450,499
Common stock, outstanding (in shares)	181,560,735	204,450,499
Class B
Condensed Financial Statements, Captions [Line Items]
Common stock, nominal value (in dollars per share)	$ 0.01	$ 0.01
Common stock, issued (in shares)	12,151,526	11,099,593
Common stock, outstanding (in shares)	12,151,526	11,099,593
Class C
Condensed Financial Statements, Captions [Line Items]
Common stock, nominal value (in dollars per share)	$ 0.01	$ 0.01
Common stock, issued (in shares)	438,867,447	531,174,389
Common stock, outstanding (in shares)	438,867,447	531,174,389