Analysis Of Income And Expense [Abstract]

bpost SA/NV - Filing #3125944

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	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	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
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	—	—	—	—	4,282,400,000 EUR	—	—	—	—	4,115,100,000 EUR	—	—	—	—
Material income and expense [abstract]
Revenue and other operating income	—	—	—	—	—	—	4,335,100,000 EUR	—	—	—	—	4,154,600,000 EUR	—	—	—	—
Operating expense	—	—	—	—	—	—	3,997,200,000 EUR	—	—	—	—	3,954,000,000 EUR	—	—	—	—
Expenses by nature [abstract]
Raw materials and consumables used	—	—	—	—	—	—	192,300,000 EUR	—	—	—	—	201,500,000 EUR	—	—	—	—
Classes of employee benefits expense [abstract]
Employee benefits expense	—	—	—	—	—	—	1,606,800,000 EUR	—	—	—	—	1,586,500,000 EUR	—	—	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss	—	—	—	—	—	—	267,600,000 EUR	—	—	—	—	318,500,000 EUR	—	—	—	—
Other expenses, by nature	—	—	—	—	—	—	35,700,000 EUR	—	—	—	—	34,400,000 EUR	—	—	—	—
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	—	—	—	—	—	—	59,700,000 EUR	—	—	—	—	62,600,000 EUR	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	—	—	—	—	0 EUR	—	—	—	—	18,300,000 EUR	—	—	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax [abstract]
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax	—	—	—	—	—	—	0 EUR	—	—	—	—	16,100,000 EUR	—	—	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method, before tax [abstract]
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax	—	—	—	—	—	—	0 EUR	—	—	—	—	21,500,000 EUR	—	—	—	—
Income tax relating to share of other comprehensive income of associates and joint ventures accounted for using equity method [abstract]
Income tax relating to share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss	—	—	—	—	—	—	0 EUR	—	—	—	—	5,400,000 EUR	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	600,000 EUR	0 EUR	0 EUR	50,000,000 EUR	15,500,000 EUR	304,600,000 EUR	304,000,000 EUR	270,100,000 EUR	50,000,000 EUR	0 EUR	0 EUR	83,400,000 EUR	51,600,000 EUR	100,000 EUR	18,100,000 EUR	83,500,000 EUR
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	304,600,000 EUR	—	—	—	—	83,500,000 EUR	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	600,000 EUR	—	—	—	—	100,000 EUR	—	—	—	—