Statement Of Comprehensive Income [Abstract]

Smith (DS) PLC - Filing #1906444

Concept	2022-05-01 to 2023-04-30	2022-05-01 to 2023-04-30	2022-05-01 to 2023-04-30	2022-05-01 to 2023-04-30	2022-05-01 to 2023-04-30	2022-05-01 to 2023-04-30	2022-05-01 to 2023-04-30	2022-05-01 to 2023-04-30	2022-05-01 to 2023-04-30	2022-05-01 to 2023-04-30	2022-05-01 to 2023-04-30	2021-05-01 to 2022-04-30	2021-05-01 to 2022-04-30	2021-05-01 to 2022-04-30	2021-05-01 to 2022-04-30	2021-05-01 to 2022-04-30	2021-05-01 to 2022-04-30	2021-05-01 to 2022-04-30	2021-05-01 to 2022-04-30	2021-05-01 to 2022-04-30	2021-05-01 to 2022-04-30	2021-05-01 to 2022-04-30
Statement of comprehensive income [abstract]
Profit (loss)	5 03 GBP	– GBP	1,000,000 GBP	504,000,000 GBP	– GBP	502,000,000 GBP	502,000,000 GBP	– GBP	1,000,000 GBP	– GBP	– GBP	– GBP	35,000,000 GBP	315,000,000 GBP	– GBP	280,000,000 GBP	280,000,000 GBP	– GBP	– GBP	– GBP	– GBP	280,000,000 GBP
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	11,000,000 GBP	– GBP	—	—	– GBP	11,000,000 GBP	11,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	—	—	– GBP	68,000,000 GBP	68,000,000 GBP	– GBP	– GBP	– GBP	– GBP	68,000,000 GBP
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Exchange differences on translation [abstract]
Reclassification adjustments on exchange differences on translation of foreign operations, before tax	– GBP	—	—	—	—	—	—	—	—	—	—	– GBP	—	—	– GBP	– GBP	3,000,000 GBP	– GBP	– GBP	3,000,000 GBP	– GBP	3,000,000 GBP
Other comprehensive income, before tax, exchange differences on translation of foreign operations	194,000,000 GBP	– GBP	—	—	– GBP	194,000,000 GBP	– GBP	194,000,000 GBP	– GBP	– GBP	– GBP	– GBP	—	—	– GBP	– GBP	40,000,000 GBP	– GBP	– GBP	40,000,000 GBP	– GBP	40,000,000 GBP
Cash flow hedges [abstract]
Reclassification adjustments on cash flow hedges, before tax	573,000,000 GBP	– GBP	—	—	– GBP	573,000,000 GBP	– GBP	– GBP	– GBP	– GBP	573,000,000 GBP	– GBP	—	—	– GBP	– GBP	357,000,000 GBP	– GBP	– GBP	– GBP	357,000,000 GBP	357,000,000 GBP
Other comprehensive income, before tax, cash flow hedges	72,000,000 GBP	– GBP	—	—	– GBP	72,000,000 GBP	– GBP	– GBP	– GBP	– GBP	72,000,000 GBP	– GBP	—	—	– GBP	– GBP	1,069,000,000 GBP	– GBP	– GBP	– GBP	1,069,000,000 GBP	1,069,000,000 GBP
Hedges of net investment in foreign operations [abstract]
Other comprehensive income, before tax, hedges of net investments in foreign operations	74,000,000 GBP	– GBP	—	—	– GBP	74,000,000 GBP	– GBP	74,000,000 GBP	– GBP	– GBP	– GBP	– GBP	—	—	– GBP	– GBP	28,000,000 GBP	– GBP	– GBP	28,000,000 GBP	– GBP	28,000,000 GBP
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	2,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	14,000,000 GBP
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract]
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	149,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	162,000,000 GBP
Other comprehensive income	370,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	5 89 GBP
Comprehensive income	133,000,000 GBP	– GBP	—	—	– GBP	13 2 GBP	508,000,000 GBP	120,000,000 GBP	1,000,000 GBP	– GBP	4 96 GBP	– GBP	—	—	– GBP	334,000,000 GBP	869,000,000 GBP	– GBP	– GBP	14,000,000 GBP	549,000,000 GBP	869,000,000 GBP
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	132,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	869,000,000 GBP
Comprehensive income, attributable to non-controlling interests	1,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	– GBP