Analysis Of Income And Expense [Abstract]

Paragon Banking Group PLC - Filing #1839110

Concept	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	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	2020-10-01 to 2021-09-30	2020-10-01 to 2021-09-30	2020-10-01 to 2021-09-30	2020-10-01 to 2021-09-30	2020-10-01 to 2021-09-30	2020-10-01 to 2021-09-30	2020-10-01 to 2021-09-30	2020-10-01 to 2021-09-30
Analysis of income and expense [abstract]
Revenue [abstract]
Interest income	545,700,000 GBP	—	—	—	—	—	—	—	—	443,500,000 GBP	—	—	—	—	—	—
Material income and expense [abstract]
Interest expense	174,500,000 GBP	—	—	—	—	—	—	—	—	133,000,000 GBP	—	—	—	—	—	—
Interest income (expense)	371,200,000 GBP	—	—	—	—	—	—	—	—	310,500,000 GBP	—	—	—	—	—	—
Other operating income (expense)	393,000,000 GBP	—	—	—	—	—	—	—	—	324,900,000 GBP	—	—	—	—	—	—
Operating expense	153,000,000 GBP	—	—	—	—	—	—	—	—	135,400,000 GBP	—	—	—	—	—	—
Gains (losses) on change in fair value of derivatives [abstract]
Gains (losses) on change in fair value of derivatives	191,900,000 GBP	—	—	—	—	—	—	—	—	19,500,000 GBP	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	325,200,000 GBP	- GBP	- GBP	- GBP	- GBP	- GBP	- GBP	325,200,000 GBP	- GBP	169,300,000 GBP	- GBP	- GBP	171,800,000 GBP	- GBP	2,500,000 GBP	- GBP