| Investments in Securities |
Investments in securities | | | Investments in securities |
| | | | | | | | | | $ million | | Dec 31, 2024 | Dec 31, 2023 | | Equity securities: | 1,104 | 1,605 | | Equity securities at fair value through other comprehensive income | 1,104 | 1,605 | | | | | Debt securities: | 1,151 | 1,641 | | Debt securities at amortised cost | 37 | 28 | | Debt securities at fair value through other comprehensive income | 1,017 | 1,285 | | Debt securities at fair value through profit or loss | 97 | 328 | | Total | 2,255 | 3,246 | | At fair value | | | | Measured by reference to prices in active markets for identical assets | 1,197 | 1,983 | | Measured by reference to other observable inputs | 95 | 92 | | Measured using predominantly unobservable inputs | 926 | 1,143 | | Total | 2,218 | 3,218 | | At cost | 37 | 28 | | Total | 2,255 | 3,246 |
As at December 31, 2024, investments included equity securities comprising interests in which Shell has no significant influence; debt securities, principally comprising a portfolio required to be held by the Company's internal insurance entities as security for their activities; and assets held in escrow in relation to the Group's UK pension arrangements. | | | | Investments in securities measured using predominantly unobservable inputs [A] |
| | | | | | | | | | $ million | | 2024 | 2023 | | At January 1 | 1,143 | 1,299 | Losses recognised in other comprehensive income | (16) | (126) | | Purchases | 63 | 146 | | Sales | (260) | (207) | | Other movements | (4) | 31 | | At December 31 | 926 | 1,143 |
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