Stock-Based Compensation (Tables)

3 Months Ended

Dec. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Restricted Shares and Performance Stock Units

The quantity of restricted shares and performance stock units at target levels granted and their weighted-average fair value are as follows (quantity in millions):

Quarter Ended	Quantity	Weighted-Average Fair Value per Award
January 1, 2017
Restricted shares	1.1	$	44.85
Performance stock units	0.2	$	42.65
December 31, 2017
Restricted shares	1.3	$	52.58
Performance stock units	0.5	$	48.99

Schedule Of Share-Based Compensation, Vesting And Performance Achievements

Under the award agreement, the vesting of the RSUs is contingent on the Company’s stock price achieving specified levels during the five-year period after the date of grant of the award (the "performance period") as follows:

Stock Price Level	Percentage of Total Award That Vests
$50.00	25%
$60.00	50%
$70.00	25%