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Consolidated Statements of Total Equity (Parenthetical) - shares	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Increase (Decrease) in Stockholders' Equity
Beginning Balances,shares	372,923,187
Issuances under employee benefit plans, shares	111,527	89,652	82,446
Treasury Stock, Shares, Acquired	(1,850,000)
Ending Balances, shares	374,986,079	372,923,187
Common Stock
Increase (Decrease) in Stockholders' Equity
Beginning Balances,shares	372,923,187	368,647,371	364,586,694
Issuances under employee benefit plans, shares	111,527	89,652	82,446
Exercise of stock options, shares	2,770,569	3,504,989	3,636,655
Issuances under employee incentive plans, shares	1,030,796	681,175	341,576
Treasury Stock, Shares, Acquired	(1,850,000)
Ending Balances, shares	374,986,079	372,923,187	368,647,371

X

- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Number of share options (or share units) exercised during the current period.

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Number of shares that have been repurchased during the period and are being held in treasury.

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