Income Taxes Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning balance	$ 39	$ 40	$ 108
Gross increases due to positions taken in prior years	3		2
Gross decreases due to positions taken in prior years			(64)
Decreases due to lapses of statute of limitations	(1)	(1)	(1)
Decreases due to changes in tax rates	(5)		(5)
Positions assumed in business acquisition	3
Unrecognized tax benefits, ending balance	$ 39	$ 39	$ 40

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from acquisitions.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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