(Components of Long-Term Debt Including Associated Interest Rates and Related Fair Values) (Details) - USD ($) $ in Millions	Mar. 28, 2021	Sep. 27, 2020
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 14,728.5	$ 16,006.4
Long-term Debt, Fair Value	15,546.8	17,498.7
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	(126.1)	(132.5)
Hedging Liabilities, Noncurrent	27.9	35.6
Long-term Debt	14,630.3	15,909.5
Two Point Two Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 0.0	500.0
Stated Interest Rate	2.20%
Debt Instrument, Interest Rate, Effective Percentage	2.228%
Two Point Two Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 0.0	501.5
Two Point One Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 0.0	500.0
Stated Interest Rate	2.10%
Debt Instrument, Interest Rate, Effective Percentage	2.293%
Debt Instrument, Face Amount from Reopening of Previous Issuance	$ 0.0	250.0
Debt Instrument, Interest Rate, Effective Percentage for Reopening of Previous Issuance	1.60%
Two Point One Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 0.0	502.3
Debt Instrument, Fair Value Disclosure for Reopening of Previous Issuance	0.0	251.1
One Point Three Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 500.0	500.0
Stated Interest Rate	1.30%
Debt Instrument, Interest Rate, Effective Percentage	1.334%
One Point Three Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 505.3	506.5
Two Point Seven Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 500.0	500.0
Stated Interest Rate	2.70%
Debt Instrument, Interest Rate, Effective Percentage	2.819%
Two Point Seven Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 512.3	517.5
Three Point One Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,000.0	1,000.0
Stated Interest Rate	3.10%
Debt Instrument, Interest Rate, Effective Percentage	3.107%
Three Point One Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 1,049.1	1,058.8
Three Point Eight Five Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 750.0	750.0
Stated Interest Rate	3.85%
Debt Instrument, Interest Rate, Effective Percentage	2.859%
Three Point Eight Five Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 807.9	817.5
PointThreeSevenTwoPercentageYenDenominatedSeniorNotes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 778.5	806.4
Stated Interest Rate	0.372%
Debt Instrument, Interest Rate, Effective Percentage	0.462%
PointThreeSevenTwoPercentageYenDenominatedSeniorNotes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 766.8	794.4
Three Point Eight Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,250.0	1,250.0
Stated Interest Rate	3.80%
Debt Instrument, Interest Rate, Effective Percentage	3.721%
Three Point Eight Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 1,382.3	1,414.5
Two Point Four Five Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 500.0	500.0
Stated Interest Rate	2.45%
Debt Instrument, Interest Rate, Effective Percentage	2.511%
Two Point Four Five Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 525.0	542.6
Two Point Zero Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 500.0	500.0
Stated Interest Rate	2.00%
Debt Instrument, Interest Rate, Effective Percentage	2.058%
Two Point Zero Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 509.3	528.9
Three Point Five Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 600.0	600.0
Stated Interest Rate	3.50%
Debt Instrument, Interest Rate, Effective Percentage	3.529%
Three Point Five Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 650.6	679.5
Four Point Zero Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 750.0	750.0
Stated Interest Rate	4.00%
Debt Instrument, Interest Rate, Effective Percentage	3.958%
Four Point Zero Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 841.5	886.0
Three Point Five Five Percentage Senior Notes [Member] [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,000.0	1,000.0
Stated Interest Rate	3.55%
Debt Instrument, Interest Rate, Effective Percentage	3.84%
Three Point Five Five Percentage Senior Notes [Member] [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 1,088.7	1,147.1
Two Point Two Five Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 750.0	750.0
Stated Interest Rate	2.25%
Debt Instrument, Interest Rate, Effective Percentage	3.084%
Two Point Two Five Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 736.5	778.0
Two Point Five Five Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,250.0	1,250.0
Stated Interest Rate	2.55%
Debt Instrument, Interest Rate, Effective Percentage	2.582%
Two Point Five Five Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 1,252.5	1,325.9
Four Point Three Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 350.0	350.0
Stated Interest Rate	4.30%
Debt Instrument, Interest Rate, Effective Percentage	4.348%
Four Point Three Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 385.8	412.4
Three Point Seven Five Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 500.0	500.0
Stated Interest Rate	3.75%
Debt Instrument, Interest Rate, Effective Percentage	3.765%
Three Point Seven Five Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 515.0	546.6
Four Point Five Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,000.0	1,000.0
Stated Interest Rate	4.50%
Debt Instrument, Interest Rate, Effective Percentage	4.504%
Four Point Five Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 1,150.2	1,222.8
Four Point Four Five Percentage Senior Notes [Member] [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,000.0	1,000.0
Stated Interest Rate	4.45%
Debt Instrument, Interest Rate, Effective Percentage	4.447%
Four Point Four Five Percentage Senior Notes [Member] [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 1,137.4	1,215.5
Three Point Three Five Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 500.0	500.0
Stated Interest Rate	3.35%
Debt Instrument, Interest Rate, Effective Percentage	3.362%
Three Point Three Five Percentage Senior Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 482.9	517.1
Three Point Five Percentage Senior Notes due Nov 2050 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,250.0	1,250.0
Stated Interest Rate	3.50%
Debt Instrument, Interest Rate, Effective Percentage	3.528%
Three Point Five Percentage Senior Notes due Nov 2050 [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fair Value Disclosure	$ 1,247.7	$ 1,332.2

Face (par) amount of debt instrument from reopening of previous debt issuance.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable related to reopening of previous debt issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium related to reopening of previous issuance.

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No definition available.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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- Definition

Fair value of liability arising from a financial instrument or contract used to mitigate a specified risk (hedge), expected to be settled after one year or beyond the normal operating cycle, if longer.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

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