Acquisitions (Schedule Of Supplemental Cash Flow Information Regarding Acquisitions) (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019
Supplemental cash flow information regarding acquisitions
Assets acquired	$ 16	$ 402
Liabilities assumed		(51)
Net assets acquired	16	352
Net cash paid	11	338
Seller financed debt	5	11
Contingent earnout		4
Purchase price	$ 16	$ 352

Business Combination, Net Cash Paid

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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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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Amount of assets acquired at the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of cash outflow, made soon after acquisition date of business combination, to settle contingent consideration liability.

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