| Summary of Intangible Assets and Goodwill |
| | | | | | | | | | | | | | | | | | | | | | | | | | $ million | | | | Other intangible assets | | Goodwill | | LNG off-take
and sales contracts | | Environmental certificates | Other | | Total | | Cost | | | | | | | | | | At January 1 | 18,282 | | 6,587 | | 2,514 | 9,798 | | 18,899 | | Additions | 289 | | 1,675 | | 3,659 | 661 | | 5,995 | Sales, retirements and other movements [A] | (808) | | — | | (3,588) | (572) |
| (4,160) | | Currency translation differences | 252 | | — | | 294 | 461 | | 755 | | At December 31 | 18,015 | | 8,262 | | 2,879 | 10,348 | | 21,489 | | Depreciation, depletion and amortisation, including impairments | | | | | | | | | | At January 1 | 2,250 | | 4,194 | | | 5,225 | | 9,419 | Charge for the year [B] | 161 | | 706 | | | 645 | | 1,351 | Sales, retirements and other movements [A] | (122) | | — | | | (517) | | (517) | | Currency translation differences | 64 | | — | | | 226 | | 226 | | At December 31 | 2,353 | | 4,900 | | | 5,579 | | 10,479 | | Carrying amount at December 31 | 15,662 | | 3,362 | | 2,879 | 4,769 | [C] | 11,010 |
[A]Includes the reclassification of assets classified as held for sale. (See Note 19). [B]Includes impairment losses and reversals (except for Goodwill). (See Note 13). [C]Includes software ($1,470 million), power purchase agreements, retail customer relationships and trademarks. 11. Goodwill and other intangible assets continued
| | | | | | | | | | | | | | | | | | | | | | | | | | $ million | | | | Other intangible assets | | Goodwill | | LNG off-take
and sales contracts | Environmental certificates | | Other | | Total | | Cost | | | | | | | | | | At January 1 | 18,542 | | 9,734 | 2,391 | | 9,642 | | 21,767 | | Additions | 155 | | — | 3,862 | | 594 | | 4,456 | Sales, retirements and other movements [A] | (195) | | (3,147) | (3,668) | | (180) |
| (6,995) | | Currency translation differences | (220) | | — | (71) | | (258) | | (329) | | At December 31 | 18,282 | | 6,587 | 2,514 | | 9,798 | | 18,899 | | Depreciation, depletion and amortisation, including impairments | | | | | | | | | | At January 1 | 1,882 | | 6,751 | | | 4,763 | | 11,514 | Charge for the year [B] | 510 | | 590 | | | 744 | | 1,334 | Sales, retirements and other movements [A] | (101) | | (3,147) | | | (169) | | (3,316) | | Currency translation differences | (41) | | — | | | (113) | | (113) | | At December 31 | 2,250 | | 4,194 | | | 5,225 | | 9,419 | | Carrying amount at December 31 | 16,032 | | 2,393 | 2,514 | | 4,573 | [C] | 9,480 |
[A]Includes the reclassification of assets classified as held for sale. (See Note 19). [B]Includes impairment losses and reversals. (See Note 13). [C]Includes software ($1,013 million), power purchase agreements, retail customer relationships and trademarks.
|