Statement Of Changes In Equity [Abstract]

Sage Group PLC - Filing #1814559

Concept	As at 2022-09-30	2021-10-01 to 2022-09-30	As at 2022-09-30	2021-10-01 to 2022-09-30	2021-10-01 to 2022-09-30	2021-10-01 to 2022-09-30	2021-10-01 to 2022-09-30	As at 2022-09-30	2021-10-01 to 2022-09-30	As at 2022-09-30	As at 2022-09-30	As at 2022-09-30	2021-10-01 to 2022-09-30	2021-10-01 to 2022-09-30	As at 2021-09-30	2020-10-01 to 2021-09-30	2020-10-01 to 2021-09-30	As at 2021-09-30	2020-10-01 to 2021-09-30	As at 2021-09-30	2020-10-01 to 2021-09-30	As at 2021-09-30	2020-10-01 to 2021-09-30	2020-10-01 to 2021-09-30	As at 2021-09-30	As at 2021-09-30	2020-10-01 to 2021-09-30	2020-10-01 to 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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	61,000,000 GBP	—	548,000,000 GBP	—	—	—	—	1,397,000,000 GBP	—	570,000,000 GBP	12,000,000 GBP	206,000,000 GBP	—	—	61,000,000 GBP	—	—	42,000,000 GBP	—	448,000,000 GBP	—	1,111,000,000 GBP	—	—	12,000,000 GBP	548,000,000 GBP	—	—	123,000,000 GBP	908,000,000 GBP	61,000,000 GBP	12,000,000 GBP	548,000,000 GBP	1,652,000,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	– GBP	—	260,000,000 GBP	3,000,000 GBP	263,000,000 GBP	– GBP	—	– GBP	—	—	—	– GBP	260,000,000 GBP	—	– GBP	– GBP	—	– GBP	—	– GBP	—	285,000,000 GBP	35,000,000 GBP	—	—	250,000,000 GBP	285,000,000 GBP	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	—	—	—	—	—	—	—	—	197,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	79,000,000 GBP	—	—	—	—	—	—
Comprehensive income	—	– GBP	—	293,000,000 GBP	—	—	164,000,000 GBP	—	– GBP	—	—	—	– GBP	457,000,000 GBP	—	81,000,000 GBP	– GBP	—	– GBP	—	– GBP	—	287,000,000 GBP	—	—	—	—	206,000,000 GBP	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	– GBP	—	183,000,000 GBP	—	—	– GBP	—	– GBP	—	—	—	– GBP	183,000,000 GBP	—	– GBP	– GBP	—	– GBP	—	– GBP	—	1 89 GBP	—	—	—	—	189,000,000 GBP	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	– GBP	—	7,000,000 GBP	—	—	– GBP	—	– GBP	—	—	—	– GBP	7,000,000 GBP	—	– GBP	– GBP	—	– GBP	—	– GBP	—	8,000,000 GBP	—	—	—	—	8,000,000 GBP	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	– GBP	—	37,000,000 GBP	—	—	– GBP	—	– GBP	—	—	—	– GBP	37,000,000 GBP	—	– GBP	– GBP	—	– GBP	—	– GBP	—	36,000,000 GBP	—	—	—	—	36,000,000 GBP	—	—	—	—	—	—
Increase (decrease) in equity	—	– GBP	—	171,000,000 GBP	—	—	– GBP	—	– GBP	—	—	—	– GBP	171,000,000 GBP	—	– GBP	– GBP	—	– GBP	—	– GBP	—	747,000,000 GBP	—	—	—	—	747,000,000 GBP	—	—	—	—	—	—