Investments (Schedule Of Investments) (Details) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2021		Sep. 30, 2020	Sep. 30, 2021		Sep. 30, 2020	Dec. 31, 2020
Investments [Abstract]
Equity Method Investments	[1]	$ 928			$ 928			$ 936
Time deposits		9,685			9,685			17,154
Available for sale debt instruments		490			490			596
Equity and other investments		35			35			85
Restricted Cash and Cash Equivalents		56	[2]	$ 83	56	[2]	$ 83	83	[2]
Total		11,194			11,194			$ 18,854
Dividends received		9		$ 5	$ 52		$ 58
Deconsolidation, Revaluation of Retained Investment, Gain (Loss), Amount		$ 117

[1] Dividends received were $52 and $9 for the nine and three months ended September 30, 2021 and $58 and $5 during the same periods in the prior year. 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, employee benefit 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 September 30, 2021.