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Group Statement of Changes in Equity (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
[1]
Dec. 31, 2021
Dec. 31, 2020
Decrease in equity $ (56,341) $ (52,741) $ (57,113) $ (52,426)
Adjustment for transition to new accounting pronouncements(a)        
Decrease in equity     $ 17  
[1] Comparative information has been restated to reflect the adoption of narrow-scope amendments to IAS 12. Refer to page 166 for details.