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Segment Information (Schedule Of Long-Lived Assets By Geographical Segment) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Long-lived Assets	$ 15,096.9	$ 12,616.2	$ 12,873.7
Geographic Areas [Member]
Segment Reporting Information [Line Items]
Long-lived Assets	15,096.9	12,616.2	12,873.7
Geographic Areas [Member] | United States [Member]
Segment Reporting Information [Line Items]
Long-lived Assets	2,943.9	2,270.0	2,764.9
Geographic Areas [Member] | SAUDI ARABIA
Segment Reporting Information [Line Items]
Long-lived Assets	1,257.7	668.6	93.6
Geographic Areas [Member] | United Kingdom [Member]
Segment Reporting Information [Line Items]
Long-lived Assets	1,204.0	1,185.2	609.4
Geographic Areas [Member] | SPAIN
Segment Reporting Information [Line Items]
Long-lived Assets	3,012.4	2,306.6	2,004.2
Geographic Areas [Member] | NIGERIA
Segment Reporting Information [Line Items]
Long-lived Assets	787.3	1,368.2	583.3
Geographic Areas [Member] | SINGAPORE
Segment Reporting Information [Line Items]
Long-lived Assets	22.6	23.9	2,859.3
Geographic Areas [Member] | Other countries [Member]
Segment Reporting Information [Line Items]
Long-lived Assets	$ 5,869.0	$ 4,793.7	$ 3,959.0

X

- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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