Statement Of Changes In Equity [Abstract]

TomTom NV - Filing #1842085

Concept	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 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	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	40,746,000 EUR	140,300,000 EUR	99,172,000 EUR	—	—	282,723,000 EUR	—	338,124,000 EUR	—	26,473,000 EUR	—	—	—	90,267,000 EUR	—	26,473,000 EUR	—	14,312,000 EUR	127,598,000 EUR	338,124,000 EUR	—	—	387,616,000 EUR	—	188,508,000 EUR	338,124,000 EUR	665,932,000 EUR	120,265,000 EUR	7,438,000 EUR	26,473,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	0 EUR	0 EUR	—	0 EUR	—	0 EUR	—	94,653,000 EUR	94,653,000 EUR	257,639,000 EUR	—	0 EUR	—	257,639,000 EUR	—	—	—	0 EUR	0 EUR	—	0 EUR	—	—	—	—	—	—
Other comprehensive income	—	—	—	0 EUR	11,641,000 EUR	—	0 EUR	—	0 EUR	—	12,703,000 EUR	1,062,000 EUR	13,028,000 EUR	—	0 EUR	—	7,357,000 EUR	—	—	—	5,671,000 EUR	0 EUR	—	0 EUR	—	—	—	—	—	—
Comprehensive income	—	—	—	0 EUR	11,641,000 EUR	—	0 EUR	—	0 EUR	—	81,950,000 EUR	93,591,000 EUR	270,667,000 EUR	—	0 EUR	—	264,996,000 EUR	—	—	—	5,671,000 EUR	0 EUR	—	0 EUR	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	—	—	6,997,000 EUR	2,456,000 EUR	—	0 EUR	—	0 EUR	—	10,488,000 EUR	1,035,000 EUR	8,920,000 EUR	—	9,695,000 EUR	—	2,150,000 EUR	—	—	—	1,375,000 EUR	0 EUR	—	0 EUR	—	—	—	—	—	—