Statement Of Changes In Equity [Abstract]

Telenet Group Holding NV - Filing #3210086

Concept	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	64,800,000 EUR	504,600,000 EUR	—	—	1,100,000 EUR	—	—	20,400,000 EUR	80,700,000 EUR	156,600,000 EUR	1,308,400,000 EUR	143,900,000 EUR	12,800,000 EUR	600,000 EUR	614,100,000 EUR	525,000,000 EUR	—	—	—	—	—	202,100,000 EUR	64,800,000 EUR	64,800,000 EUR	2,148,100,000 EUR	—	202,100,000 EUR	—	1,363,100,000 EUR	9,600,000 EUR	1,363,100,000 EUR	685,300,000 EUR	149,700,000 EUR	80,700,000 EUR	2,148,100,000 EUR	1,366,500,000 EUR	—	3,400,000 EUR	—	12,800,000 EUR	9,600,000 EUR	1,366,500,000 EUR	685,300,000 EUR	3,400,000 EUR	80,700,000 EUR	12,800,000 EUR	149,700,000 EUR	—	—	2,249,900,000 EUR	28,600,000 EUR	80,700,000 EUR	2,249,900,000 EUR	28,400,000 EUR	1,482,400,000 EUR	12,800,000 EUR	200,000 EUR	200,000 EUR	12,800,000 EUR	1,482,400,000 EUR	685,300,000 EUR	12,300,000 EUR	199,400,000 EUR	199,400,000 EUR	80,700,000 EUR	135,600,000 EUR	12,300,000 EUR	1,453,800,000 EUR	64,800,000 EUR	1,454,000,000 EUR	685,300,000 EUR	135,600,000 EUR	64,800,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	997,000,000 EUR	—	997,600,000 EUR	600,000 EUR	—	—	—	—	—	—	—	—	—	997,600,000 EUR	—	—	—	400,000 EUR	—	—	—	—	—	—	394,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	393,600,000 EUR	394,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	7,600,000 EUR	—	—	300,000 EUR	—	—	—	—	—	—	—	—	—	7,900,000 EUR	8,500,000 EUR	—	600,000 EUR	—	—	—	—	—	—	—	2,700,000 EUR	—	—	—	—	—	—	—	—	—	—	2,700,000 EUR	—	—	—	—	—	—	—	—	2,700,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	—	—	1,004,600,000 EUR	—	997,600,000 EUR	900,000 EUR	—	—	—	—	—	—	—	—	—	1,005,500,000 EUR	8,500,000 EUR	—	600,000 EUR	400,000 EUR	—	—	—	—	—	—	396,700,000 EUR	—	—	—	—	—	—	—	—	—	—	2,700,000 EUR	—	—	—	—	—	—	—	—	396,300,000 EUR	394,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	—	149,000,000 EUR	—	149,000,000 EUR	—	—	—	—	—	—	—	—	—	—	149,000,000 EUR	—	—	—	—	—	—	—	—	—	—	300,500,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	300,500,000 EUR	300,500,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	—	8,900,000 EUR	— EUR	—	8,900,000 EUR	—	—	—	—	—	—	—	—	—	—	— EUR	—	—	—	—	—	—	—	—	10,800,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	— EUR	10,800,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	—	—	700,000 EUR	—	—	700,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	—	—	6,900,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	6,900,000 EUR	—	6,900,000 EUR	—	—	—	—	—	—	—	—	14,100,000 EUR	—	—	—	—	—	—	—	—	14,100,000 EUR	—	—	—	—	—	—	—	—	—	—	14,100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—