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Equity (Details 2) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
IfrsStatementLineItems [Line Items]    
Share buyback program number of shares authorized to be repurchased 29,059,173 141,158,533
Share buyback program number of value authorized to be repurchased $ 389 $ 2,124
Acquired Parent [Member]    
IfrsStatementLineItems [Line Items]    
Number of shares repurchased 17,413,659
Purchase of treasury shares $ 231
Acquired By Wholly Owned Subsidiaries [Member]    
IfrsStatementLineItems [Line Items]    
Number of shares repurchased 11,645,514
Purchase of treasury shares $ 158
Shares Buyback Program [Member]    
IfrsStatementLineItems [Line Items]    
Number of shares repurchased 29,059,173
Purchase of treasury shares $ 389
Acquired Parent 1 [Member]    
IfrsStatementLineItems [Line Items]    
Number of shares repurchased 73,179,052
Purchase of treasury shares $ 1,102
Acquired By Wholly Owned Subsidiaries 1 [Member]    
IfrsStatementLineItems [Line Items]    
Number of shares repurchased 67,979,481
Purchase of treasury shares $ 1,022
Shares Buyback Program 1 [Member]    
IfrsStatementLineItems [Line Items]    
Number of shares repurchased 141,158,533
Purchase of treasury shares $ 2,124