Accumulated Other Comprehensive Earnings/(Losses) - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Equity [Abstract]
Net losses reclassified from accumulated other comprehensive earnings/(losses) to net earnings (net of tax)	$ (27)	$ (284)	$ (38)	$ (331)

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

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+ Details