Reclassifications from Accumulated Other Comprehensive Income - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Equity [Abstract]
Losses reclassified from accumulated other comprehensive earnings/(losses) to net earnings	$ 11	$ (82)	$ 41	$ (40)

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

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