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Share capital and other equity - Cumulative preference shares (Details) | 1 Months Ended
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Dec. 31, 2021 shares
5 1/2% Cumulative Preference Shares |
Number of own shares purchased | 157,546
Dividend rate | 5.50%
11% Cumulative Preference Shares |
Number of own shares purchased | 259,314
Dividend rate | 0.11%

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- Definition The percentage rate used to calculate dividend payments on preferred stock. + References No definition available. + Details
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Namespace Prefix: | nwg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of own shares in the entity purchased by the entity + References No definition available. + Details
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Namespace Prefix: | nwg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=nwg_CumulativePreferenceShares5.5PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=nwg_CumulativePreferenceShares11PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |