Goodwill and impairment review of goodwill (Tables)

12 Months Ended

Dec. 31, 2021

Intangible Assets [Abstract]

Disclosure of reconciliation of goodwill

		$ million
	2021	2020
Cost
At 1 January	13,093	12,865
Exchange adjustments	(91)	184
Acquisitions and other additionsa	139	632
Reclassified as assets held for sale	(137)	(199)
Deletions and disposals	(13)	(389)
At 31 December	12,991	13,093
Impairment losses
At 1 January	613	997
Exchange adjustments	(1)	1
Impairment losses for the year	7	1
Deletions and disposals	(1)	(386)
At 31 December	618	613
Net book amount at 31 December	12,373	12,480
Net book amount at 1 January	12,480	11,868

a 2020 principally relates to an acquisition in the US Fuels business.

Impairment review of goodwill

		$ million
Goodwill at 31 December	2021	2020
gas & low carbon energy	2,147	2,152
oil production & operations	5,464	5,613
customers & products	4,697	4,660
other businesses & corporate	65	55
	12,373	12,480

Schedule of goodwill

		$ million		$ million
	gas & low carbon energy		oil production & operations
	2021	2020	2021	2020
Goodwill	2,147	2,152	5,464	5,613
Excess of recoverable amount over carrying amount	3,991	3,991	32,438	27,758

										$ million
					2021					2020
	Castrol	US Fuels	European Fuels	Other	Total	Castrol	US Fuels	European Fuels	Other	Total
Goodwill	2,837	606	862	392	4,697	2,865	606	913	276	4,660