Statement Of Financial Position [Abstract]

Derwent London PLC - Filing #1875168

Concept	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	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	As at 2022-12-31	As at 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	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 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
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	54,300,000 GBP	—	—	—	—	—	—	—	21,000,000 GBP	—	—	—	—	—	—	—	54,000,000 GBP	22,600,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Investment property	5,002,000,000 GBP	—	—	—	—	—	—	—	– GBP	—	—	—	—	—	—	—	5,361,200,000 GBP	– GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Investments accounted for using equity method	43,900,000 GBP	—	—	—	—	—	—	—	2,224,700,000 GBP	—	—	—	—	—	—	—	51,100,000 GBP	1,749,800,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	– GBP	—	—	—	—	—	—	—	3,000,000 GBP	—	—	—	—	—	—	—	300,000 GBP	3,600,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	76,600,000 GBP	—	—	—	—	—	—	—	67,300,000 GBP	—	—	—	—	—	—	—	105,500,000 GBP	90,600,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	72,700,000 GBP	—	—	—	—	—	—	—	—	88,500,000 GBP
Assets	5,509,400,000 GBP	—	—	—	—	—	—	—	4,110,200,000 GBP	—	—	—	—	—	—	—	5,909,600,000 GBP	3,767,300,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	5,600,000 GBP	—	—	—	—	—	—	—	5,600,000 GBP	—	—	—	—	—	—	—	5,600,000 GBP	5,600,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Retained earnings	2,931,400,000 GBP	—	—	—	—	—	—	—	202,200,000 GBP	—	—	—	—	—	—	—	3,299,700,000 GBP	255,700,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Share premium	196,600,000 GBP	—	—	—	—	—	—	—	196,600,000 GBP	—	—	—	—	—	—	—	195,400,000 GBP	195,400,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other reserves	941,900,000 GBP	—	—	—	—	—	—	—	925,900,000 GBP	—	—	—	—	—	—	—	941,100,000 GBP	925,600,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity	4,075,500,000 GBP	5,600,000 GBP	925,900,000 GBP	202,200,000 GBP	1,330,300,000 GBP	196,600,000 GBP	– GBP	941,900,000 GBP	1,330,300,000 GBP	– GBP	196,600,000 GBP	2,931,400,000 GBP	5,600,000 GBP	4,075,500,000 GBP	3,299,700,000 GBP	941,100,000 GBP	4,441,800,000 GBP	1,382,300,000 GBP	925,600,000 GBP	– GBP	1,382,300,000 GBP	195,400,000 GBP	5,600,000 GBP	255,700,000 GBP	4,441,800,000 GBP	195,400,000 GBP	– GBP	5,600,000 GBP	3,124,500,000 GBP	51,900,000 GBP	4,263,200,000 GBP	5,600,000 GBP	1,446,800,000 GBP	– GBP	1,446,800,000 GBP	5,600,000 GBP	926,300,000 GBP	321,200,000 GBP	193,700,000 GBP	939,400,000 GBP	193,700,000 GBP	4,315,100,000 GBP
Liabilities [abstract]
Deferred tax liabilities	600,000 GBP	—	—	—	—	—	—	—	– GBP	—	—	—	—	—	—	—	– GBP	– GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities	1,433,900,000 GBP	—	—	—	—	—	—	—	2,779,900,000 GBP	—	—	—	—	—	—	—	1,467,800,000 GBP	2,385,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—