Statement Of Cash Flows [Abstract]

NATIONWIDE BUILDING SOCIETY - Filing #4370996

Concept	2023-04-05 to 2024-04-04	As at 2024-04-04	2022-04-05 to 2023-04-04	As at 2023-04-04	As at 2022-04-04
Statement of cash flows [abstract]
Cash flows from (used in) operating activities [abstract]
Income taxes paid (refund), classified as operating activities	479,000,000 GBP	—	558,000,000 GBP	—	—
Cash flows from (used in) operating activities	1,994,000,000 GBP	—	455,000,000 GBP	—	—
Cash flows from (used in) investing activities [abstract]
Cash flows from losing control of subsidiaries or other businesses, classified as investing activities	33,000,000 GBP	—	- GBP	—	—
Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities	- GBP	—	- GBP	—	—
Proceeds from sales of property, plant and equipment, classified as investing activities	4,000,000 GBP	—	21,000,000 GBP	—	—
Purchase of property, plant and equipment, classified as investing activities	85,000,000 GBP	—	63,000,000 GBP	—	—
Purchase of intangible assets, classified as investing activities	298,000,000 GBP	—	283,000,000 GBP	—	—
Cash flows from (used in) investing activities	792,000,000 GBP	—	2,267,000,000 GBP	—	—
Cash flows from (used in) financing activities [abstract]
Payments to acquire or redeem entity's shares	76,000,000 GBP	—	101,000,000 GBP	—	—
Payments of lease liabilities, classified as financing activities	34,000,000 GBP	—	33,000,000 GBP	—	—
Cash flows from (used in) financing activities	152,000,000 GBP	—	2,137,000,000 GBP	—	—
Effect of exchange rate changes on cash and cash equivalents [abstract]
Effect of exchange rate changes on cash and cash equivalents	110,000,000 GBP	—	10,000,000 GBP	—	—
Increase (decrease) in cash and cash equivalents after effect of exchange rate changes	1,464,000,000 GBP	—	4,869,000,000 GBP	—	—
Cash and cash equivalents	—	24,491,000,000 GBP	—	25,955,000,000 GBP	30,824,000,000 GBP