Acquisition - Summary of Pro Forma Results (Details) - CR Bard Inc - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Business Acquisition [Line Items]
Revenues	$ 4,278	$ 3,968	$ 12,545	$ 11,675
Net Income (Loss)	$ 640	$ (102)	$ 525	$ 805
Diluted Earnings (Loss) per Share	$ 2.20	$ (0.61)	$ 1.58	$ 2.98

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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