Income Taxes - Reconciliation of Total Gross Unrecognized Tax Benefits (Details) $ in Millions	9 Months Ended
Sep. 28, 2019 USD ($)
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance	$ 97
Additions, current year	2
Reductions, current year	0
Additions, prior years	0
Reductions, prior years	(12)
Settlements	0
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	(1)
Ending balance	$ 86

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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Amount of unrecognized tax benefits.

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Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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