Corporate Information And Statement Of Ifrs Compliance [Abstract]

A.P. Møller - Mærsk - Filing #1442766

Concept	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2019-12-31
Corporate information and statement of IFRS compliance [abstract]
Name of reporting entity or other means of identification	—	A.P. Møller - Mærsk A/S	—
Domicile of entity	—	Denmark	—
Legal form of entity	—	Listed company	—
Country of incorporation	—	Denmark	—
Address of entity's registered office	—	Copenhagen	—
Principal place of business	—	Operates in 130 countries	—
Description of nature of entity's operations and principal activities	—	A.P. Møller - Mærsk is an integrated container logistic business - connecting and simplifying trade, with the largest fleet in the world.	—
Name of parent entity	—	A.P. Møller Holding A/S	—
Name of ultimate parent of group	—	A.P. Møller og hustru Chastine Mc-Kinney Møllers Fond til almene formaal	—
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [text block]	—	—	—
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [abstract]
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]
Current inventories	1,049,000,000 USD	—	1,430,000,000 USD
Current trade receivables	3,634,000,000 USD	—	3,531,000,000 USD
Current trade payables	5,156,000,000 USD	—	5,567,000,000 USD