Investments (Schedule Of Ownership Percentages And Balances Of Equity Method Investments) (Details) - USD ($) $ in Millions		Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Equity method investments	[1]	$ 930	$ 936
Defense, Space & Security | United Launch Alliance [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage		50.00%	50.00%
Equity method investments		$ 617	$ 735
Commercial Airplanes, Defense, Space & Security, and Global Services [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investments		$ 313	$ 201

[1] Dividends received were $77 and $149 during 2021 and 2020. Retained earnings at December 31, 2021 include undistributed earnings from our equity method investments of $136. During the third quarter of 2021, Boeing and AE Industrial Partners announced a strategic partnership to establish a dedicated aerospace venture fund. This transaction resulted in the deconsolidation of HorizonX and generated a gain of $117 which is included in Income from operating investments, net.