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Property, plant and equipment and intangible assets (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2021 USD ($)
Property, plant and equipment and intangible assets [abstract] |
Balance, beginning | $ 65,672
Additions through business combinations | 4
Additions | 3,429
Transfers | 1,467
Disposals and reclassifications | 45
Transferred to assets classified as held for sale | (281)
Depreciation, amortisation and net impairment losses | (4,890)
Effect of foreign currency translation adjustments | (73)
Balance, ending | 65,373
Intangible Assets [Abstract] |
Intangibles beginning | 8,148
Additions through business combinations | 106
Additions | 166
Transfers | (1,467)
Disposals and reclassifications | (12)
Transferred to assets classified as held for sale | 0
Expensed exploration expenditures and impairment losses | (89)
Depreciation, amortisation and net impairment losses | (18)
Effect of foreign currency translation adjustments | (5)
Intangibles ending | $ 6,829

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