Disclosure Of Entity's Operating Segments [Text Block]

NATIONWIDE BUILDING SOCIETY - Filing #1650933

Concept	2021-04-05 to 2022-04-04	2021-04-05 to 2022-04-04	2021-04-05 to 2022-04-04	2021-04-05 to 2022-04-04	2021-04-05 to 2022-04-04	2021-04-05 to 2022-04-04	2021-04-05 to 2022-04-04	2021-04-05 to 2022-04-04	As at 2022-04-04	2020-04-05 to 2021-04-04	2020-04-05 to 2021-04-04	2020-04-05 to 2021-04-04	2020-04-05 to 2021-04-04	2020-04-05 to 2021-04-04	2020-04-05 to 2021-04-04	2020-04-05 to 2021-04-04	As at 2021-04-04	2020-04-05 to 2021-04-04
Disclosure of entity's operating segments [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of operating segments [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of operating segments [abstract]
Disclosure of operating segments [line items]
Interest expense	—	—	—	—	—	950,000,000 GBP	—	—	—	—	978,000,000 GBP	—	—	—	—	—	—	—
Interest income (expense)	—	—	—	—	—	3,562,000,000 GBP	—	—	—	—	3,146,000,000 GBP	—	—	—	—	—	—	—
Tax expense (income)	—	—	—	—	—	345,000,000 GBP	—	—	—	—	205,000,000 GBP	—	—	—	—	—	—	—
Profit (loss) before tax	—	—	—	—	—	1,597,000,000 GBP	—	—	—	—	823,000,000 GBP	—	—	—	—	—	—	—
Profit (loss)	1,252,000,000 GBP	- GBP	- GBP	- GBP	- GBP	1,252,000,000 GBP	- GBP	- GBP	—	- GBP	618,000,000 GBP	- GBP	- GBP	- GBP	618,000,000 GBP	- GBP	—	- GBP
Assets	—	—	—	—	—	—	—	—	272,354,000,000 GBP	—	—	—	—	—	—	—	254,914,000,000 GBP	—
Liabilities	—	—	—	—	—	—	—	—	256,655,000,000 GBP	—	—	—	—	—	—	—	240,801,000,000 GBP	—
Cash flows from (used in) operating activities	—	—	—	—	—	13,772,000,000 GBP	—	—	—	—	11,062,000,000 GBP	—	—	—	—	—	—	—
Cash flows from (used in) investing activities	—	—	—	—	—	1,058,000,000 GBP	—	—	—	—	7,505,000,000 GBP	—	—	—	—	—	—	—
Cash flows from (used in) financing activities	—	—	—	—	—	389,000,000 GBP	—	—	—	—	271,000,000 GBP	—	—	—	—	—	—	—