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Liabilities, Commitments and Contingencies - Schedule of Product Warranty Activity (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Product Warranties [Roll Forward]    
Beginning balance – January 1 $ 2,275 $ 1,900
Additions for current year deliveries 47 35
Reductions for payments made (116) (118)
Changes in estimates (31) 149
Ending balance – March 31 $ 2,175 $ 1,966