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v3.25.2

Taxes (Details 1) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Notes and other explanatory information [abstract] |  |
Deferred tax assets | $ 8,244 | $ 9,565
Deferred tax liabilities | 445 | 870
Deferred tax liability (asset) at beginning of period | 7,799 | 8,695
[custom:EffectInIncomeStatementAssets] | (112) | 873
[custom:EffectInIncomeStatementDeferredTaxLiability] | 17 | (98)
[custom:EffectInIncomeStatement] | (129) | 971
[custom:OtherComprehensiveIncomeDeferredTaxAsset] | 2 | 602
[custom:OtherComprehensiveIncomeLiabilities] | 7 | 15
Income tax relating to components of other comprehensive income | (5) | 587
[custom:TransfersBetweenAssetsAndLiabilitiesDeferredTaxAssets] | (103) | 50
[custom:TransfersBetweenAssetsAndLiabilitiesDeferredTaxLiability] | (103) | 50
[custom:TransferBetweenAssetsAndLiabilitiesDeferredTaxesNet] |  |
[custom:IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxAsset] | 954 | (1,159)
[custom:IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiability] | 56 | (31)
Increase (decrease) through net exchange differences, deferred tax liability (asset) | 898 | (1,128)
[custom:TransferToAssetToHeldForSaleAssets] | (10) |
[custom:TransferToHeldForSaleEnergyAssetsLiabilities] | (295) |
[custom:TransferToAssetToHeldForSaleDeferredTaxesNet] | 285 |
Deferred tax assets | 8,975 | 9,931
Deferred tax liabilities | 127 | 806
Deferred tax liability (asset) at end of period | $ 8,848 | $ 9,125

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