Disclosure Of Insurance Contracts [Text Block]

Halma PLC - Filing #1662759

Concept	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31
Disclosure of insurance contracts [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of adjustments made when entity changed basis of disaggregation of insurance finance income (expenses) between profit or loss and other comprehensive income for contracts with direct participation features [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of adjustments made when entity changed basis of disaggregation of insurance finance income (expenses) between profit or loss and other comprehensive income for contracts with direct participation features [abstract]
Disclosure of adjustments made when entity changed basis of disaggregation of insurance finance income (expenses) between profit or loss and other comprehensive income for contracts with direct participation features [line items]
Profit (loss)	3,700,000 GBP	247,900,000 GBP	– GBP	244,200,000 GBP	– GBP	– GBP	200,000 GBP	244,400,000 GBP	– GBP	– GBP	– GBP	244,200,000 GBP	– GBP	203,300,000 GBP	19,200,000 GBP	222,500,000 GBP	– GBP	– GBP	– GBP	– GBP	203,300,000 GBP	– GBP	– GBP	203,400,000 GBP	– GBP	100,000 GBP