Commercial Aerospace Industry Assets and Commitments (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, net	$ 9,661	$ 9,254
Customer financing assets	2,848	3,144
Other Commitment	10,300
Commercial Aerospace [Member]
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, net	7,235	7,239
Contract with Customer, Asset, after Allowance for Credit Loss	3,264	2,559
Customer financing assets	2,945	3,160
Contract fulfillment costs	1,711	1,773
Commercial aerospace guarantees (net of reserves and collaboration partners’ share) (Note 18)	165	174
Other Commitment	$ 9,659	$ 8,515