Acquisitions (Schedule Of Supplemental Cash Flow Information Regarding Acquisitions) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Supplemental cash flow information regarding acquisitions
Assets acquired	$ 7	$ 110
Liabilities assumed		(4)
Net assets acquired	7	106
Net cash paid	6	100
Seller financed debt	2	6
Purchase price	$ 7	$ 106

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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