Equity (Changes In Total Equity) (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 30, 2018	Dec. 31, 2017
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 495.6	$ 0.0
Beginning balance of total equity	1,175.8	5,457.0
Net earnings including noncontrolling interests	760.4	2,250.1
Translation adjustment and other, net of reclassifications and tax	1.6	28.1
Unrealized gains/(losses), net of reclassifications and tax	(14.5)	2.2
Other comprehensive income/(loss)	(12.9)	30.3
Stock-based compensation expense	98.0	62.2
Exercise of stock options/vesting of RSUs	45.0	(9.1)
Sale of common stock	8.1	7.4
Repurchase of common stock	(5,000.0)	(1,618.2)
Cash dividends declared	(448.8)	(420.8)
Ending balance of total equity	(2,878.8)	5,758.9
Parent [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	495.6	0.0
Beginning balance of total equity	1,169.5	5,450.1
Net earnings including noncontrolling interests	760.6	2,250.2
Translation adjustment and other, net of reclassifications and tax	1.6	28.1
Unrealized gains/(losses), net of reclassifications and tax	(14.5)	2.2
Other comprehensive income/(loss)	(12.9)	30.3
Stock-based compensation expense	98.0	62.2
Exercise of stock options/vesting of RSUs	45.0	(9.1)
Sale of common stock	8.1	7.4
Repurchase of common stock	(5,000.0)	(1,618.2)
Cash dividends declared	(448.8)	(420.8)
Ending balance of total equity	(2,884.9)	5,752.1
Noncontrolling Interest [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	0.0	0.0
Beginning balance of total equity	6.3	6.9
Net earnings including noncontrolling interests	(0.2)	(0.1)
Translation adjustment and other, net of reclassifications and tax	0.0	0.0
Unrealized gains/(losses), net of reclassifications and tax	0.0	0.0
Other comprehensive income/(loss)	0.0	0.0
Stock-based compensation expense	0.0	0.0
Exercise of stock options/vesting of RSUs	0.0	0.0
Sale of common stock	0.0	0.0
Repurchase of common stock	0.0	0.0
Cash dividends declared	0.0	0.0
Ending balance of total equity	$ 6.1	$ 6.8