Profit Or Loss [Abstract]

Telenet Group Holding NV - Filing #3210238

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 EUR	—	—	2,575,200 EUR	—	—
Cost of sales	—	—	1,282,700 EUR	—	—	1,401,600 EUR	—	—
Gross profit	—	—	1,313,100 EUR	—	—	1,173,600 EUR	—	—
Profit (loss) from operating activities	—	—	5,992,000,000 EUR	—	—	5,941,000,000 EUR	—	—
Finance income	—	—	3,084,000,000 EUR	—	—	2,411,000,000 EUR	—	—
Finance costs	—	—	3,878,000,000 EUR	—	—	4,742,000,000 EUR	—	—
Impairment loss (impairment gain and reversal of impairment loss) determined in accordance with IFRS 9	—	—	122,000,000 EUR	—	—	— EUR	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	7,000,000 EUR	—	—	7,000,000 EUR	—	—
Profit (loss) before tax	—	—	5,069,000,000 EUR	—	—	3,892,000,000 EUR	—	—
Tax expense (income)	—	—	1,133,000,000 EUR	—	—	507,000,000 EUR	—	—
Profit (loss)	4,000,000 EUR	3,940,000,000 EUR	3,936,000,000 EUR	3,940,000,000 EUR	3,389,000,000 EUR	3,385,000,000 EUR	4,000,000 EUR	3,389,000,000 EUR
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	—	3,940,000,000 EUR	—	—	3,389,000,000 EUR	—	—
Profit (loss), attributable to non-controlling interests	—	—	4,000,000 EUR	—	—	4,000,000 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	—	—	360.00	—	—	310.00	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	—	360.00	—	—	310.00	—	—