Reclassifications from Accumulated Other Comprehensive Income - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Equity [Abstract]
Net gains (losses) reclassified from accumulated other comprehensive earnings/(losses) to net earnings (net of tax)	$ (284)	$ (2)	$ (331)	$ 21

Amount after tax of reclassification adjustments of other comprehensive income (loss).

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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+ Details