Statement Of Financial Position [Abstract]

Grainger PLC - Filing #1807289

Concept	As at 2022-09-30	As at 2022-09-30	As at 2022-09-30	As at 2022-09-30	As at 2022-09-30	As at 2022-09-30	As at 2022-09-30	As at 2021-09-30	As at 2021-09-30	As at 2021-09-30	As at 2021-09-30	As at 2021-09-30	As at 2021-09-30	As at 2021-09-30	As at 2020-09-30	As at 2020-09-30	As at 2020-09-30	As at 2020-09-30	As at 2020-09-30	As at 2020-09-30	As at 2020-09-30
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	4,200,000 GBP	—	—	—	—	—	—	—	1. 4 GBP	—	—	—	—	—	—	—	—	—
Investment property	—	—	—	2 ,7 75 . 9 GBP	—	—	—	—	—	—	—	2 ,17 9 . 2 GBP	—	—	—	—	—	—	—	—	—
Current tax assets	—	—	—	16 . 5 GBP	—	—	—	—	—	—	—	16 . 0 GBP	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	1. 2 GBP	—	—	—	—	—	—	—	3,700,000 GBP	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	95,900,000 GBP	—	—	—	—	—	—	—	3 1 7. 6 GBP	—	—	—	—	—	—	—	3 6 9 .1 GBP	—
Assets	—	—	—	3 , 5 79 .1 GBP	—	—	—	—	—	—	—	3,2 72 .2 GBP	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	3 7.1 GBP	—	—	—	—	—	—	—	3 7.1 GBP	—	—	—	—	—	—	—	—	—
Retained earnings	—	—	—	1, 0 59 . 6 GBP	—	—	—	—	—	—	—	8 6 7. 5 GBP	—	—	—	—	—	—	—	—	—
Share premium	—	—	—	8 17. 6 GBP	—	—	—	—	—	—	—	8 17. 3 GBP	—	—	—	—	—	—	—	—	—
Equity	32 .1 GBP	2 0 .1 GBP	8 17. 6 GBP	1, 9 6 6 . 8 GBP	1, 0 59 . 6 GBP	3 7.1 GBP	300,000 GBP	3 . 3 GBP	2 0 .1 GBP	300,000 GBP	8 6 7. 5 GBP	1, 73 9 . 0 GBP	3 7.1 GBP	8 1 7. 3 GBP	7 8 9 .1 GBP	2 0 .1 GBP	33. 8 GBP	61 6 . 3 GBP	300,000 GBP	1,4 4 3 . 0 GBP	1 6 . 6 GBP
Liabilities [abstract]
Deferred tax liabilities	—	—	—	13 6 . 9 GBP	—	—	—	—	—	—	—	69. 5 GBP	—	—	—	—	—	—	—	—	—
Liabilities	—	—	—	1, 6 12 . 3 GBP	—	—	—	—	—	—	—	1,5 3 3 . 2 GBP	—	—	—	—	—	—	—	—	—