Consolidated Statements of Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income/(Loss) [Member]	Parent [Member]	Noncontrolling Interest [Member]
Common Stock, Shares, Outstanding		1,173.3
Balance, Amount at Sep. 27, 2020	$ (7,799.4)	$ 1.2	$ 373.9	$ (7,815.6)	$ (364.6)	$ (7,805.1)	$ 5.7
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	4,200.3	0.0	0.0	4,199.3	0.0	4,199.3
Other comprehensive income/(loss)	511.8	0.0	0.0	0.0	511.8	511.8	0.0
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	322.8	0.0	322.8	0.0	0.0	322.8	0.0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	107.0	$ 0.0	107.0	0.0	0.0	107.0	0.0
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		6.3
Stock Issued During Period, Value, Employee Stock Purchase Plan	$ 42.4	$ 0.0	42.4	0.0	0.0	42.4	0.0
Stock Issued During Period, Shares, Employee Stock Purchase Plans		0.4
Common Stock, Dividends, Per Share, Declared	$ 2.29
Dividends, Cash	$ (2,697.2)	$ 0.0	0.0	(2,697.2)	0.0	(2,697.2)	0.0
Balance, Amount at Oct. 03, 2021	(5,314.5)	1.2	846.1	(6,315.7)	147.2	(5,321.2)	6.7
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest							1.0
Net gains/(losses) recognized in OCI before reclassifications, net of tax					475.0
Net (gains)/losses reclassified from AOCI to earnings, net of tax					36.8
Cumulative Effect of New Accounting Pronouncement in Period of Adoption	(2.2)	$ 0.0	0.0	(2.2)	0.0	(2.2)	0.0
Common Stock, Shares, Outstanding		1,180.0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	3,283.4	$ 0.0	0.0	3,281.6	0.0	3,281.6
Other comprehensive income/(loss)	(610.4)	0.0	0.0	0.0	(610.4)	(610.4)	0.0
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	275.5	0.0	275.5	0.0	0.0	275.5	0.0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(72.5)	$ (0.1)	(72.4)	0.0	0.0	(72.5)	0.0
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		3.6
Stock Issued During Period, Value, Employee Stock Purchase Plan	46.9	$ 0.0	46.9	0.0	0.0	46.9	0.0
Stock Issued During Period, Shares, Employee Stock Purchase Plans		0.6
Stock Repurchased and Retired During Period, Value	$ (4,013.0)	$ 0.0	(890.8)	(3,122.2)	0.0	(4,013.0)	0.0
Stock Repurchased and Retired During Period, Shares		(36.3)
Common Stock, Dividends, Per Share, Declared	$ 2.00
Dividends, Cash	$ (2,293.5)	$ 0.0	0.0	(2,293.5)	0.0	(2,293.5)	0.0
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(0.6)						(0.6)
Balance, Amount at Oct. 02, 2022	$ (8,698.7)	$ 1.1	205.3	(8,449.8)	(463.2)	(8,706.6)	7.9
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest							1.8
Net gains/(losses) recognized in OCI before reclassifications, net of tax					(434.1)
Net (gains)/losses reclassified from AOCI to earnings, net of tax					(176.3)
Common Stock, Shares, Outstanding	1,147.9	1,147.9
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 4,124.7	$ 0.0	0.0	4,124.5	0.0	4,124.5	0.2
Other comprehensive income/(loss)	(315.0)	0.0	0.0	0.0	(314.3)	(314.3)	(0.7)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	306.4	0.0	306.4	0.0	0.0	306.4	0.0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	28.4	$ 0.0	28.4	0.0	0.0	28.4	0.0
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		4.2
Stock Issued During Period, Value, Employee Stock Purchase Plan	$ 49.6	$ 0.0	49.6	0.0	0.0	49.6	0.0
Stock Issued During Period, Shares, Employee Stock Purchase Plans	0.5	0.5
Stock Repurchased and Retired During Period, Value	$ (1,004.5)	$ 0.0	(548.6)	(455.9)	0.0	(1,004.5)	0.0
Stock Repurchased and Retired During Period, Shares		(10.0)
Common Stock, Dividends, Per Share, Declared	$ 2.16
Dividends, Cash	$ (2,474.6)	$ 0.0	0.0	(2,474.6)	0.0	(2,474.6)	0.0
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests or Other Adjustment	4.1	0.0	3.0	0.0	0.7	3.7	0.4
Balance, Amount at Oct. 01, 2023	$ (7,987.8)	$ 1.1	$ 38.1	$ (7,255.8)	(778.2)	$ (7,994.8)	7.0
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest							$ (0.5)
Net gains/(losses) recognized in OCI before reclassifications, net of tax					(181.5)
Net (gains)/losses reclassified from AOCI to earnings, net of tax					$ (132.8)
Common Stock, Shares, Outstanding	1,142.6	1,142.6