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Equity (Details 2) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
IfrsStatementLineItems [Line Items] |  |
Share buyback program number of shares authorized to be repurchased | 184,697,102 | 357,442,577
Share buyback program number of value authorized to be repurchased | $ 2,714 | $ 6,036
Acquired Parent [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Number of shares repurchased | 1,500,000 |
Purchase of treasury shares | $ 22 |
Acquired By Wholly Owned Subsidiaries [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Number of shares repurchased | 1,500,000 |
Purchase of treasury shares | $ 22 |
Shares Buyback Program [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Number of shares repurchased | 3,000,000 |
Purchase of treasury shares | $ 44 |
Acquired Parent 1 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Number of shares repurchased | 93,638,352 | 87,779,900
Purchase of treasury shares | $ 1,378 | $ 1,375
Acquired By Wholly Owned Subsidiaries 1 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Number of shares repurchased | 88,058,750 | 90,847,177
Purchase of treasury shares | $ 1,292 | $ 1,410
Shares Buyback Program 1 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Number of shares repurchased | 181,697,102 | 178,627,077
Purchase of treasury shares | $ 2,670 | $ 2,785
Acquired Parent 2 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Number of shares repurchased |  | 81,855,600
Purchase of treasury shares |  | $ 1,501
Acquired By Wholly Owned Subsidiaries 2 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Number of shares repurchased |  | 96,959,900
Purchase of treasury shares |  | $ 1,750
Shares Buyback Program 2 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Number of shares repurchased |  | 178,815,500
Purchase of treasury shares |  | $ 3,251

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