Statement Of Financial Position [Abstract]

Barratt Developments PLC - Filing #1771111

Concept	As at 2022-06-30	As at 2022-06-30	As at 2022-06-30	As at 2022-06-30	As at 2022-06-30	As at 2022-06-30	As at 2022-06-30	As at 2022-06-30	As at 2022-06-30	As at 2021-06-30	As at 2021-06-30	As at 2021-06-30	As at 2021-06-30	As at 2021-06-30	As at 2021-06-30	As at 2021-06-30	As at 2021-06-30	As at 2021-06-30	As at 2020-06-30	As at 2020-06-30	As at 2020-06-30	As at 2020-06-30	As at 2020-06-30	As at 2020-06-30	As at 2020-06-30	As at 2020-06-30	As at 2020-06-30
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	—	41,200,000 GBP	—	—	—	—	—	20,400,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	19,000,000 GBP	—
Right-of-use assets	—	—	—	—	35,600,000 GBP	—	—	—	—	—	39,300,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	46,700,000 GBP	—
Goodwill	—	—	—	—	852,900,000 GBP	—	—	—	—	—	805,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	805,900,000 GBP	—
Intangible assets other than goodwill	—	—	—	—	205,400,000 GBP	—	—	—	—	—	100,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	101,100,000 GBP	—
Investments accounted for using equity method	—	—	—	—	177,900,000 GBP	—	—	—	—	—	163,100,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	152,100,000 GBP	—
Deferred tax assets	—	—	—	—	– GBP	—	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	– GBP	—
Cash and cash equivalents	—	—	—	—	1,352,700,000 GBP	—	—	—	—	—	1,518,600,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	619,800,000 GBP	—
Assets	—	—	—	—	8,210,700,000 GBP	—	—	—	—	—	7,473,600,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	6,864,300,000 GBP	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	—	102,200,000 GBP	—	—	—	—	—	101,800,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	101,800,000 GBP	—
Retained earnings	—	—	—	—	4,165,900,000 GBP	—	—	—	—	—	3,994,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3,382,900,000 GBP	—
Share premium	—	—	—	—	253,400,000 GBP	—	—	—	—	—	245,300,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	245,200,000 GBP	—
Equity attributable to owners of parent	—	—	—	—	5,630,500,000 GBP	—	—	—	—	—	5,451,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4,838,900,000 GBP	—
Non-controlling interests	—	—	—	—	800,000 GBP	—	—	—	—	—	1,100,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1,400,000 GBP	—
Equity	4,163,900,000 GBP	253,400,000 GBP	800,000 GBP	29,000,000 GBP	5,631,300,000 GBP	1,109,000,000 GBP	27,000,000 GBP	4,165,900,000 GBP	102,200,000 GBP	1,109,000,000 GBP	5,452,100,000 GBP	27,600,000 GBP	245,300,000 GBP	101,800,000 GBP	1,100,000 GBP	3,972,000,000 GBP	4,700,000 GBP	3,994,900,000 GBP	16,600,000 GBP	1,109,000,000 GBP	3,386,400,000 GBP	245,200,000 GBP	1,400,000 GBP	20,100,000 GBP	101,800,000 GBP	4,840,300,000 GBP	3,382,900,000 GBP
Liabilities [abstract]
Deferred tax liabilities	—	—	—	—	45,100,000 GBP	—	—	—	—	—	8,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2,400,000 GBP	—
Liabilities	—	—	—	—	2,579,400,000 GBP	—	—	—	—	—	2,021,500,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2,024,000,000 GBP	—