Liabilities, Commitments And Contingencies (Schedule Of Accrued Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]
Accrued compensation and employee benefit costs	$ 6,841	$ 6,659
Environmental	555	524	$ 562
Product warranties	1,127	1,211	$ 1,414
Forward loss recognition	1,488	622
Dividends payable	1,160	1,005
Taxes Payable	485	380
Other	3,152	2,668
Total	$ 14,808	$ 13,069

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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