v3.25.2
Emissions schemes and related environmental programmes (Tables)
12 Months Ended
Dec. 31, 2023
Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]  
Summary of Cost Environmental Schemes and Related Environmental Plans
Cost of emission schemes and related environmental programmes recognised in the Consolidated Statement of Income
$ million
202320222021
ETS and related schemes493493331
Biofuels [A]2,5812,9182,609
Renewable power552594455
Total3,6264,0053,395
[A]Represents the cost of biofuel certificates required for compliance purposes over and above those generated from self-blending activities.
Summary of Emission Schemes and Related Environmental Plans
Purchased environmental certificates (presented under Other intangible assets, see Note 10) [A]
$ million
ETS and related schemesBiofuelsRenewable powerTotal
At January 1, 20234401,6011602,201
Additions3962,9554863,837
Settlements(413)(2,783)(451)(3,647)
Other movements1832(50)
At December 31, 20234411,8051452,391
At January 1, 20222842,3621012,747
Additions3851,4854682,338
Settlements(256)(2,142)(398)(2,796)
Other movements27(104)(11)(88)
At December 31, 20224401,6011602,201
[A]Relates to environmental certificates held for compliance purposes.
Summary of Obligations
$ million
ETS and related schemesBiofuelsRenewable powerTotal
At January 1, 2023
Current(458)(3,424)(350)(4,232)
Non-current(422)(56)(478)
(458)(3,846)(406)(4,710)
Additions(1,244)(2,593)(597)(4,434)
Additions covered by government grants762[A]762
Settlements4793,3864924,357
Other movements(37)(64)80(21)
(40)729(25)664
At December 31, 2023
Current(498)(3,012)(343)(3,853)
Non-current(105)(88)(193)
(498)(3,117)(431)(4,046)
At January 1, 2022
Current(270)(3,262)(273)(3,805)
Non-current(182)(29)(211)
(270)(3,444)(302)(4,016)
Additions(1,237)(2,916)(637)(4,790)
Additions covered by government grants776[A]776
Settlements2922,4564993,247
Other movements(19)583473
(188)(402)(104)(694)
At December 31, 2022
Current(458)(3,424)(350)(4,232)
Non-current(422)(56)(478)
(458)(3,846)(406)(4,710)
[A]Emission certificates that were allocated free of charge at an equivalent fair value at grant date.