Investments (Schedule Of Investments) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022		Mar. 31, 2021	Dec. 31, 2021
Investments [Abstract]
Equity Method Investments	[1]	$ 947			$ 930
Time deposits		4,331			7,676
Available for sale debt instruments		497			464
Equity and other investments		45			45
Restricted Cash and Cash Equivalents		45	[2]	$ 87	52	[2]
Total		5,865			$ 9,167
Dividends received		$ 27		$ 5

[1] Dividends received were $27 and $5 during the three months ended March 31, 2022 and 2021.

[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 March 31, 2022.