Acquisitions - Summary of Pro Forma Results (Detail) - CR Bard Inc [Member] - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Business Acquisition [Line Items]
Revenues	$ 16,947	$ 15,781
Net Income	$ 390	$ 1,145
Diluted Earnings per Share (USD per share)	$ 0.90	$ 3.60

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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
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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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-Publisher FASB
-Name Accounting Standards Codification
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