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Subsidiaries, joint arrangements and associates
 12 Months Ended
Dec. 31, 2021
Interest In Other Entities [Abstract]  
Subsidiaries, joint arrangements and associates Subsidiaries, joint arrangements and associates
The more important subsidiaries, joint arrangements and associates of the group at 31 December 2021 and the group percentage of ordinary share capital (to nearest whole number) are set out below. The group's share of the assets and liabilities of the more important unincorporated joint arrangements are held by subsidiaries listed in the table below. Those subsidiaries held directly by the parent company are marked with an asterisk (*), the percentage owned being that of the group unless otherwise indicated. A complete list of undertakings of the group is included in Note 14 in the parent company financial statements of BP p.l.c. which are filed with the Registrar of Companies in the UK, along with the group’s annual report.
Subsidiaries%Country of
incorporation		Principal activities
International
 BP Corporate Holdings Limited100 England & WalesInvestment holding
 BP Exploration Operating Company Limited100 England & WalesExploration and production
*BP Global Investments Limited100 England & WalesInvestment holding
*BP International Limited100 England & WalesIntegrated oil operations
 BP Oil International Limited100 England & WalesIntegrated oil operations
*Burmah Castrol PLC100 ScotlandLubricants
Angola
 BP Exploration (Angola) Limited100 England & WalesExploration and production
Azerbaijan
 BP Exploration (Caspian Sea) Limited100 England & WalesExploration and production
 BP Exploration (Azerbaijan) Limited100 England & WalesExploration and production
Canada
*BP Holdings Canada Limited100 England & WalesInvestment holding
Egypt
 BP Exploration (Delta) Limited100 England & WalesExploration and production
Germany
 BP Europa SE100 GermanyRefining and marketing
India
 BP Exploration (Alpha) Limited100 England & WalesExploration and production
Trinidad & Tobago
 BP Trinidad and Tobago LLC70 USExploration and production
UK
 BP Capital Markets p.l.c.100 England & WalesFinance
US
*BP Holdings North America Limited100 England & WalesInvestment holding
 Atlantic Richfield Company100 USExploration and production, refining and marketing
 BP America Inc.100 US
 BP America Production Company100 US
 BP Company North America Inc.100 US
 BP Corporation North America Inc.100 US
 BP Products North America Inc.100 US
 The Standard Oil Company100 US
 BP Capital Markets America Inc.100 USFinance
Joint arrangements%Country of
incorporation		Principal activities
Argentina
Pan American Energy Group S.L.50 SpainIntegrated oil operations
Associates%Country of
incorporation		Principal activities
Russia
Rosneft Oil Companya
19.75 RussiaIntegrated oil operations
a See Note 37 Events after the reporting period.