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Acquisition of Varian (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
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3 Months Ended |
6 Months Ended |
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Apr. 30, 2011
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Apr. 30, 2010
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Jan. 31, 2010
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Apr. 30, 2011
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Apr. 30, 2010
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May 14, 2010
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| Acquisition of Varian [Abstract] |
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| Varian business acquisition completion date |
2010-05-14 |
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2010-05-14 |
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| Varian business acquisition agreement date. |
2009-07-26 |
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| Total purchase price of Varian |
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$ 1,507 |
| Cash price per share of Varian's outstanding common stock (in dollars per share) |
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$ 52 |
| Acquisition cost of Varian's vested in-the money stock options |
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17 |
| Acquisition cost of Varian's non-vested in-the money stock options |
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12 |
| Percent of target for Varian's non-vested restricted stock awards, non-vested performance shares (in hundredths) |
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100.00% |
| Issuance date of Senior Notes funding Varian acquisition |
September 2009 |
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| Net revenue - Pro forma operating results as if Varian had been included in Company's Statement of Operations |
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1,476 |
1,402 |
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2,878 |
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| Net income - Pro forma operating results as if Varian had been included in Company's Statement of Operations |
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$ 87 |
$ 6 |
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$ 93 |
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| Net income (loss) per share basic - Pro forma operating results as if Varian had been included in Company's Statement of Operations (in dollars per share) |
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$ 0.25 |
$ 0.02 |
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$ 0.27 |
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| Net income (loss) per share diluted - Pro forma operating results as if Varian had been included in Company's Statement of Operations (in dollars per share) |
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$ 0.24 |
$ 0.02 |
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$ 0.26 |
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