Income Taxes - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 26, 2020	Sep. 26, 2020	Sep. 28, 2019
Income Tax Disclosure [Abstract]
Tax expense	$ 7	$ 26	$ 36
Interim period tax expense (benefit)	7	11
Tax expense (benefit)	$ 0	15
Valuation allowance		15
Estimated tax impact of CARES Act		2
Tax expense for share-based excess cost		1
Tax benefit for changes in estimates related to prior years		$ 3