Profit Or Loss [Abstract]

Telenet Group Holding NV - Filing #3210244

Concept	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	—	2,595,800,000 EUR	—	—	2,575,200,000 EUR	—	—
Cost of sales	—	—	1,282,700,000 EUR	—	—	1,401,600,000 EUR	—	—
Gross profit	—	—	1,313,100,000 EUR	—	—	1,173,600,000 EUR	—	—
Profit (loss) from operating activities	—	—	599,200,000 EUR	—	—	594,100,000 EUR	—	—
Finance income	—	—	308,400,000 EUR	—	—	241,100,000 EUR	—	—
Finance costs	—	—	387,800,000 EUR	—	—	474,200,000 EUR	—	—
Impairment loss (impairment gain and reversal of impairment loss) determined in accordance with IFRS 9	—	—	12,200,000 EUR	—	—	— EUR	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	700,000 EUR	—	—	700,000 EUR	—	—
Profit (loss) before tax	—	—	506,900,000 EUR	—	—	389,200,000 EUR	—	—
Tax expense (income)	—	—	113,300,000 EUR	—	—	50,700,000 EUR	—	—
Profit (loss)	400,000 EUR	394,000,000 EUR	393,600,000 EUR	394,000,000 EUR	338,900,000 EUR	338,500,000 EUR	400,000 EUR	338,900,000 EUR
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	—	394,000,000 EUR	—	—	338,900,000 EUR	—	—
Profit (loss), attributable to non-controlling interests	—	—	400,000 EUR	—	—	400,000 EUR	—	—
Earnings per share [text block]	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share	—	—	3.60	—	—	3.10	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	—	3.60	—	—	3.10	—	—