Income Taxes Income Tax (Details) - USD ($) $ in Billions	3 Months Ended
Dec. 29, 2018	Dec. 28, 2019
Income Tax [Line Items]
Unrecognized Tax Benefits		$ 2.9
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit		0.2
Unrecognized Tax Benefits that Would Impact Effective Tax Rate		$ 0.1
Accounting Standards Update 2016-16
Income Tax [Line Items]
Adoption of new accounting guidance	$ 0.1

[Line Items] for Income Tax [Table]

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- Definition

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

+ References

No definition available.

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- Definition

The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

+ References

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Amount of unrecognized tax benefits.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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