Customer Financing (Schedule Of Customer Financing) (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Customer Financing [Abstract]
Investment in sales-type/finance leases	$ 875	$ 944
Notes	403	412
Total financing receivables	1,278	1,356
Less allowance for losses on receivables	(60)	(18)	$ (16)	$ (17)
Total Financing Receivables, Net	1,218	1,338
Operating lease equipment, at cost, less accumulated depreciation of $72 and $58	483	474
Operating Lease, Accumulated Depreciation	72	58
Total	$ 1,701	$ 1,812