Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 30, 2018
OPERATING ACTIVITIES:
Net earnings including noncontrolling interests	$ 924,700,000	$ 3,594,600,000	$ 4,518,000,000.0
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	1,503,200,000	1,449,300,000	1,305,900,000
Deferred income taxes, net	(25,800,000)	(1,495,400,000)	714,900,000
Income earned from equity method investees	(280,700,000)	(250,600,000)	(242,800,000)
Distributions received from equity method investees	227,700,000	216,800,000	226,800,000
Gain resulting from acquisition of joint venture	0	0	1,376,400,000
Net gain resulting from divestiture of certain retail operations	0	(622,800,000)	(499,200,000)
Stock-based compensation	248,600,000	308,000,000.0	250,300,000
Goodwill impairments	0	10,500,000	37,600,000
Non-cash Lease Cost	1,197,600,000	0	0
Loss on retirement and impairment of assets	454,400,000	142,600,000	75,600,000
Other	24,500,000	45,300,000	13,400,000
Cash provided/(used) by changes in operating assets and liabilities:
Accounts receivable	(2,700,000)	(197,700,000)	131,000,000.0
Inventories	(10,900,000)	(173,000,000.0)	(41,200,000)
Prepaid Expenses, Other	317,500,000	922,000,000.0	(839,500,000)
Income Taxes Payable	(1,214,600,000)	1,237,100,000	146,000,000.0
Accounts payable	(210,800,000)	31,900,000	391,600,000
Deferred revenue	31,000,000.0	(30,500,000)	7,109,400,000
Operating lease liability	(1,231,400,000)	0	0
Other operating assets and liabilities	280,500,000	(141,100,000)	16,400,000
Net Cash Provided by (Used in) Operating Activities	1,597,800,000	5,047,000,000.0	11,937,800,000
INVESTING ACTIVITIES:
Purchases of investments	(443,900,000)	(190,400,000)	(191,900,000)
Sales of investments	186,700,000	298,300,000	459,000,000.0
Maturities and calls of investments	73,700,000	59,800,000	45,300,000
Acquisitions, net of cash acquired	0	0	(1,311,300,000)
Additions to property, plant and equipment	(1,483,600,000)	(1,806,600,000)	(1,976,400,000)
Net proceeds from sale of equity in joint ventures and certain retail operations	0	684,300,000	608,200,000
Other	(44,400,000)	(56,200,000)	5,600,000
Net cash used by investing activities	(1,711,500,000)	(1,010,800,000)	(2,361,500,000)
FINANCING ACTIVITIES:
Proceeds from issuance of short-term debt	1,406,600,000	0	0
Repayments of short-term debt	(967,700,000)	0	0
Proceeds from issuance of long-term debt	4,727,600,000	1,996,000,000.0	5,584,100,000
Repayments of long-term debt	0	(350,000,000.0)	0
Proceeds from issuance of common stock	298,800,000	409,800,000	153,900,000
Cash dividends paid	(1,923,500,000)	(1,761,300,000)	(1,743,400,000)
Repurchase of common stock	(1,698,900,000)	(10,222,300,000)	(7,133,500,000)
Minimum tax withholdings on share-based awards	(91,900,000)	(111,600,000)	(62,700,000)
Other	(37,700,000)	(17,500,000)	(41,200,000)
Net cash used by financing activities	1,713,300,000	(10,056,900,000)	(3,242,800,000)
Effect of exchange rate changes on cash and cash equivalents	64,700,000	(49,000,000.0)	(39,500,000)
Net increase/(decrease) in cash and cash equivalents	1,664,300,000	(6,069,700,000)	6,294,000,000.0
CASH AND CASH EQUIVALENTS:
Beginning of period	2,686,600,000	8,756,300,000	2,462,300,000
End of period	4,350,900,000	2,686,600,000	8,756,300,000
Cash paid during the period for:
Interest, net of capitalized interest	396,900,000	299,500,000	137,100,000
Income taxes, net of refunds	$ 1,699,100,000	$ 470,100,000	$ 1,176,900,000