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Segment Information (Segment and Geographic Information) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Total revenues	$ 5,353.9	$ 6,049.7	$ 10,492.8	$ 11,725.6
Operating Income	2,262.3	2,295.1	4,405.4	4,329.1
United States
Segment Reporting Information [Line Items]
Total revenues	1,961.2	2,048.4	3,828.4	3,977.4
Operating Income	999.2	1,072.9	1,997.2	2,020.8
International Lead Markets
Segment Reporting Information [Line Items]
Total revenues	1,930.9	1,813.2	3,808.4	3,456.7
Operating Income	889.9	776.0	1,699.6	1,442.6
High Growth Markets
Segment Reporting Information [Line Items]
Total revenues	1,014.0	1,679.2	1,986.2	3,216.4
Operating Income	282.7	349.5	517.0	650.2
Foundational Markets and Corporate
Segment Reporting Information [Line Items]
Total revenues	447.8	508.9	869.8	1,075.1
Operating Income	$ 90.5	$ 96.7	$ 191.6	$ 215.5

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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