Special Charges - 2020 Covid 19 Restructuring Plan (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jul. 04, 2020 USD ($) position	Jul. 04, 2020 USD ($)
2020 Restructuring Plan
TRU inventory valuation charge	$ 55	$ 55
2020 COVID-19 Restructuring Plan
2020 Restructuring Plan
Restructuring and Related Cost, Cost Incurred to Date	$ 78	78
Number of positions eliminated | position	1,950
Percentage of workforce reduction	6.00%
TRU inventory valuation charge	$ 55
Minimum | 2020 COVID-19 Restructuring Plan
2020 Restructuring Plan
Restructuring and Related Cost, Expected Cost	110	110
Maximum | 2020 COVID-19 Restructuring Plan
2020 Restructuring Plan
Restructuring and Related Cost, Expected Cost	$ 130	$ 130