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Analysis of cash and cash equivalents | 12 Months Ended
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Dec. 31, 2022
Analysis of cash and cash equivalents |
Analysis of cash and cash equivalents | 29 Analysis of cash and cash equivalents In the cash flow statement, cash and cash equivalents comprises cash, loans to banks and treasury bills with an original maturity of less than three months that are readily convertible to known amounts of cash and subject to insignificant risk of change in value. ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |  | 2020
​ | ​ | £m | ​ | £m | ​ | £m
At 1 January |  | 190,706 |  | 139,199 |  | 100,588
Net (decrease)/increase in cash and cash equivalents |  | (32,257) |  | 51,507 |  | 38,611
At 31 December |  | 158,449 |  | 190,706 |  | 139,199
|  | ​ |  | ​ |  | ​
Comprising: |  | ​ |  | ​ |  | ​
Cash and balances at central banks |  | 144,832 |  | 177,757 |  | 124,489
Trading assets | ​ | 8,551 | ​ | 7,137 | ​ | 9,220
Other financial assets |  | 19 |  | 16 |  | 173
Loans to banks (1) |  | 5,047 |  | 5,796 |  | 5,317
Cash and cash equivalents |  | 158,449 |  | 190,706 |  | 139,199
​
(1) | Includes cash collateral posted with bank counterparties in respect of derivative liabilities of £4,895 million (2021 - £4,293 million; 2020 - £7,592 million).
​ Certain members of NatWest Group are required by law or regulation to maintain balances with the central banks in the jurisdictions in which they operate. Natwest Markets N.V. had mandatory reserve deposits with De Nederlandsche Bank N.V. of €64 million (2021 - €60 million, 2020 - €81 million). The Royal Bank of Scotland International (Holdings) Limited had balances with Central Bank of Luxembourg of £108 million (2021 - £123 million, 2020 - £59 million)

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- Definition The disclosure of cash and cash equivalents. [Refer: Cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 10 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_10_e&doctype=Standard -URIDate 2022-03-24 + Details
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