Investments (Schedule Of Investments) (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
		Sep. 30, 2021	Dec. 31, 2021		Dec. 31, 2020		Dec. 31, 2019
Investments [Abstract]
Equity method investments	[1]		$ 930		$ 936
Time deposits			7,676		17,154
Available for sale debt instruments			464		596
Equity and other investments			45		85
Restricted Cash and Cash Equivalents			52	[2]	83	[2]	$ 86
Total			9,167		18,854
Equity Method Investments and Joint Ventures [Abstract]
Dividends received from equity method investments			77		$ 149
Undistributed earnings from equity method investments			$ 136
Deconsolidation, Revaluation of Retained Investment, Gain (Loss), Amount		$ 117

[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.

[2] Reflects amounts restricted in support of our property sales, workers’ compensation programs and insurance premiums.Allowance for losses on available for sale debt instruments are assessed quarterly. All instruments are considered investment grade and, as such, we have not recognized an allowance for credit losses as of December 31, 2021.