Employee Stock and Benefit Plans (Tables)

12 Months Ended

Sep. 30, 2018

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

Stock-Based Compensation Expense Recognized in the Consolidated Financial Statements

Stock-based compensation expense recognized in the consolidated financial statements (in millions):

Fiscal Year Ended	Sep 30, 2018		Oct 1, 2017		Oct 2, 2016
Options	$	28.0	$	44.3	$	42.7
RSUs	222.3		131.7		175.4
Total stock-based compensation expense recognized in the consolidated statements of earnings	$	250.3	$	176.0	$	218.1
Total related tax benefit	$	62.4	$	57.6	$	73.0
Total capitalized stock-based compensation included in net property, plant and equipment and inventories on the consolidated balance sheets	$	3.5	$	1.9	$	1.5

Employee Stock Options Granted During the Period, Valuation Assumptions

The fair value of stock option awards was estimated at the grant date with the following weighted average assumptions for fiscal years 2018, 2017 and 2016:

	Employee Stock Options Granted During the Period
Fiscal Year Ended	2018			2017			2016
Expected term (in years)	3.6			3.9			3.9
Expected stock price volatility	20.5		%	21.6		%	23.9		%
Risk-free interest rate	2.1		%	1.5		%	1.2		%
Expected dividend yield	2.2		%	1.8		%	1.3		%
Weighted average grant price	$	56.56		$	56.12		$	60.20
Estimated fair value per option granted	$	7.32		$	8.56		$	10.54

Stock Option Transactions

Stock option transactions for the year ended September 30, 2018(in millions, except per share and contractual life amounts):

	Shares Subject to Options		Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding, October 1, 2017	31.4		$	36.51	5.8	$	589
Granted	3.9		56.56
Exercised	(6.3	)	19.46
Expired/forfeited	(1.7	)	55.24
Outstanding, September 30, 2018	27.3		42.13		5.2	418
Exercisable, September 30, 2018	19.8		36.95		4.1	405
Vested and expected to vest, September 30, 2018	26.3		41.59		5.1	417

RSU Transactions

RSU transactions for the year ended September 30, 2018(in millions, except per share and contractual life amounts):

	Number of Shares		Weighted Average Grant Date Fair Value per Share		Weighted Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Nonvested, October 1, 2017	7.6		$	52.06	0.9	$	410
Granted	9.5		56.48
Vested	(3.3	)	50.18
Forfeited/canceled	(2.6	)	54.87
Nonvested, September 30, 2018	11.2		55.62		1.0	636