Statement Of Changes In Equity [Abstract]

Mondi PLC - Filing #2006646

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	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	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	2022-01-01 to 2022-12-31	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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	6,096,000,000 EUR	—	—	5,434,000,000 EUR	—	141,000,000 EUR	—	441,000,000 EUR	—	97,000,000 EUR	17,000,000 EUR	5,655,000,000 EUR	6,254,000,000 EUR	—	—	—	—	—	—	182,000,000 EUR	460,000,000 EUR	5,895,000,000 EUR	16,000,000 EUR	97,000,000 EUR	5,794,000,000 EUR	—	18,000,000 EUR	4,749,000,000 EUR	284,000,000 EUR	4,930,000,000 EUR	4,544,000,000 EUR	386,000,000 EUR	97,000,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	134,000,000 EUR	— EUR	—	153,000,000 EUR	— EUR	—	19,000,000 EUR	—	153,000,000 EUR	—	— EUR	—	—	—	—	— EUR	— EUR	— EUR	1,525,000,000 EUR	1,452,000,000 EUR	73,000,000 EUR	—	—	—	—	—	—	1,452,000,000 EUR	—	—	—	—	—	—	—
Other comprehensive income	320,000,000 EUR	— EUR	—	323,000,000 EUR	323,000,000 EUR	—	3,000,000 EUR	—	— EUR	—	— EUR	—	—	—	—	— EUR	— EUR	105,000,000 EUR	111,000,000 EUR	— EUR	6,000,000 EUR	—	—	—	—	—	—	105,000,000 EUR	—	—	—	—	—	—	—
Comprehensive income	186,000,000 EUR	— EUR	—	170,000,000 EUR	323,000,000 EUR	—	16,000,000 EUR	—	153,000,000 EUR	—	— EUR	—	—	—	—	— EUR	— EUR	105,000,000 EUR	1,636,000,000 EUR	1,452,000,000 EUR	79,000,000 EUR	—	—	—	—	—	—	1,557,000,000 EUR	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	352,000,000 EUR	— EUR	—	345,000,000 EUR	— EUR	—	7,000,000 EUR	—	345,000,000 EUR	—	— EUR	—	—	—	—	— EUR	— EUR	— EUR	330,000,000 EUR	321,000,000 EUR	9,000,000 EUR	—	—	—	—	—	—	321,000,000 EUR	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	— EUR	— EUR	— EUR	1,000,000 EUR	2,000,000 EUR	3,000,000 EUR	—	—	—	—	—	—	2,000,000 EUR	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	— EUR	7,000,000 EUR	—	— EUR	— EUR	—	— EUR	—	7,000,000 EUR	—	— EUR	—	—	—	—	— EUR	9,000,000 EUR	— EUR	— EUR	9,000,000 EUR	— EUR	—	—	—	—	—	—	— EUR	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	8,000,000 EUR	— EUR	—	21,000,000 EUR	— EUR	—	29,000,000 EUR	—	21,000,000 EUR	—	— EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	9,000,000 EUR	— EUR	—	9,000,000 EUR	9,000,000 EUR	—	— EUR	—	— EUR	—	— EUR	—	—	—	—	— EUR	— EUR	11,000,000 EUR	11,000,000 EUR	— EUR	— EUR	—	—	—	—	—	—	11,000,000 EUR	—	—	—	—	—	—	—