Statement Of Financial Position [Abstract]

bpost SA/NV - Filing #3125943

Concept	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	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 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	As at 2019-12-31	As at 2019-12-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	1,263,500,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	1,138,000,000 EUR	—	—	—	—	—	—	—	—
Investment property	—	—	4,200,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	3,300,000 EUR	—	—	—	—	—	—	—	—
Investments accounted for using equity method	—	—	0 EUR	—	—	—	—	—	—	—	—	—	—	—	—	100,000 EUR	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	32,800,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	45,600,000 EUR	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	907,500,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	948,100,000 EUR	—	—	—	—	—	—	—	—
Assets	—	—	4,141,300,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	3,874,500,000 EUR	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	364,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	364,000,000 EUR	—	—	—	—	—	—	—	—
Retained earnings	—	—	250,200,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	19,200,000 EUR	—	—	—	—	—	—	—	—
Other reserves	—	—	238,200,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	249,800,000 EUR	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	884,800,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	582,500,000 EUR	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	500,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	1,300,000 EUR	—	—	—	—	—	—	—	—
Equity	0 EUR	250,200,000 EUR	885,300,000 EUR	238,200,000 EUR	884,800,000 EUR	500,000 EUR	32,400,000 EUR	364,000,000 EUR	19,200,000 EUR	1,300,000 EUR	582,500,000 EUR	364,000,000 EUR	255,400,000 EUR	0 EUR	17,600,000 EUR	583,800,000 EUR	680,900,000 EUR	1,700,000 EUR	34,000,000 EUR	682,600,000 EUR	30,700,000 EUR	0 EUR	364,000,000 EUR	252,300,000 EUR
Liabilities [abstract]
Deferred tax liabilities	—	—	6,400,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	6,800,000 EUR	—	—	—	—	—	—	—	—
Liabilities included in disposal groups classified as held for sale	—	—	39,700,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	0 EUR	—	—	—	—	—	—	—	—
Liabilities	—	—	3,256,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	3,290,700,000 EUR	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	4,141,300,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	3,874,500,000 EUR	—	—	—	—	—	—	—	—