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Liabilities, Commitments and Contingencies - Schedule of Product Warranty Activity (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Movement in Standard Product Warranty Accrual [Roll Forward]    
Beginning balance – January 1 $ 2,275 $ 1,900
Additions for current year deliveries 164 202
Reductions for payments made (320) (403)
Changes in estimates 329 576
Ending balance – December 31 $ 2,448 $ 2,275