Restructuring Charges - Restructuring Actions (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 26, 2020
Workforce Reduction Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, total costs to date	$ 90
Restructuring and related cost, expected cost	148
Restructuring and related cost, incurred cost	75
Naples, Italy Manufacturing Plant
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost remaining	63
Restructuring and related cost, incurred cost	141
Employee-related Costs | Naples, Italy Manufacturing Plant
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	73
Other exit costs | Naples, Italy Manufacturing Plant
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	25
Asset Impairment Charges | Naples, Italy Manufacturing Plant
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	$ 43
Employee termination costs | Workforce Reduction Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, total costs to date		$ 102
Restructuring and related cost, expected cost remaining		$ 17