Statement Of Financial Position [Abstract]

NATIONWIDE BUILDING SOCIETY - Filing #4370996

Concept	As at 2024-04-04	As at 2024-04-04	As at 2024-04-04	As at 2024-04-04	As at 2024-04-04	As at 2024-04-04	As at 2024-04-04	As at 2024-04-04	As at 2023-04-04	As at 2023-04-04	As at 2023-04-04	As at 2023-04-04	As at 2023-04-04	As at 2023-04-04	As at 2023-04-04	As at 2023-04-04	As at 2022-04-04	As at 2022-04-04	As at 2022-04-04	As at 2022-04-04	As at 2022-04-04	As at 2022-04-04	As at 2022-04-04	As at 2022-04-04
Statement of financial position [abstract]
Assets [abstract]
Current tax assets	—	—	—	—	—	—	54,000,000 GBP	—	—	—	15,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	—	—	109,000,000 GBP	—	—	—	119,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	—	—	24,491,000,000 GBP	—	—	—	25,955,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	30,824,000,000 GBP
Assets	—	—	—	—	—	—	271,917,000,000 GBP	—	—	—	271,893,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Equity	15,119,000,000 GBP	36,000,000 GBP	1,336,000,000 GBP	51,000,000 GBP	38,000,000 GBP	127,000,000 GBP	17,686,000,000 GBP	1,157,000,000 GBP	38,000,000 GBP	176,000,000 GBP	16,906,000,000 GBP	1,233,000,000 GBP	1,336,000,000 GBP	47,000,000 GBP	14,000,000 GBP	14,184,000,000 GBP	46,000,000 GBP	184,000,000 GBP	1,334,000,000 GBP	1,336,000,000 GBP	12,753,000,000 GBP	43,000,000 GBP	89,000,000 GBP	15,699,000,000 GBP
Liabilities [abstract]
Provisions [abstract]
Provisions	—	—	—	—	—	—	149,000,000 GBP	—	—	—	82,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax liabilities	—	—	—	—	—	—	206,000,000 GBP	—	—	—	406,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities	—	—	—	—	—	—	254,231,000,000 GBP	—	—	—	254,987,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	—	—	271,917,000,000 GBP	—	—	—	271,893,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—