Profit Or Loss [Abstract]

NATIONWIDE BUILDING SOCIETY - Filing #6135789

Concept	2024-04-05 to 2025-03-31	2024-04-05 to 2025-03-31	2024-04-05 to 2025-03-31	2024-04-05 to 2025-03-31	2024-04-05 to 2025-03-31	2024-04-05 to 2025-03-31	2024-04-05 to 2025-03-31	2024-04-05 to 2025-03-31	2024-04-05 to 2025-03-31	2024-04-05 to 2025-03-31	2023-04-05 to 2024-04-04	2023-04-05 to 2024-04-04	2023-04-05 to 2024-04-04	2023-04-05 to 2024-04-04	2023-04-05 to 2024-04-04	2023-04-05 to 2024-04-04	2023-04-05 to 2024-04-04	2023-04-05 to 2024-04-04	2023-04-05 to 2024-04-04	2023-04-05 to 2024-04-04
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Interest revenue calculated using effective interest method	—	—	—	—	—	16,010,000,000 GBP	—	—	—	—	—	—	—	—	13,962,000,000 GBP	—	—	—	—	—
Other income	—	—	—	—	—	21,000,000 GBP	—	—	—	—	—	—	—	—	80,000,000 GBP	—	—	—	—	—
Administrative expenses	—	—	—	—	—	3,550,000,000 GBP	—	—	—	—	—	—	—	—	2,549,000,000 GBP	—	—	—	—	—
Hedging gains (losses) for hedge of group of items with offsetting risk positions	—	—	—	—	—	12,000,000 GBP	—	—	—	—	—	—	—	—	117,000,000 GBP	—	—	—	—	—
Profit (loss) before tax	—	—	—	—	—	2,302,000,000 GBP	—	—	—	—	—	—	—	—	1,776,000,000 GBP	—	—	—	—	—
Tax expense (income)	—	—	—	—	—	36,000,000 GBP	—	—	—	—	—	—	—	—	476,000,000 GBP	—	—	—	—	—
Profit (loss)	- GBP	2,304,000,000 GBP	- GBP	- GBP	- GBP	2,338,000,000 GBP	- GBP	- GBP	2,304,000,000 GBP	34,000,000 GBP	- GBP	- GBP	1,300,000,000 GBP	- GBP	1,300,000,000 GBP	- GBP	- GBP	- GBP	- GBP	1,300,000,000 GBP
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	—	—	—	—	2,304,000,000 GBP	—	—	—	—	—	—	—	—	1,300,000,000 GBP	—	—	—	—	—
Profit (loss), attributable to non-controlling interests	—	—	—	—	—	34,000,000 GBP	—	—	—	—	—	—	—	—	- GBP	—	—	—	—	—