Restructuring Reserves (Details) $ in Millions	9 Months Ended
	Oct. 02, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 21	[1]
Net restructuring charges incurred in 2021 (b)	23	[1],[2]
Payments	(31)	[1]
Currency translation	(1)
Ending balance	12	[1]
Restructuring and Related Costs, Other Costs (Income)	$ 128
Restructuring Reserve, Expected Final Year of Payments	2021

[1] The movements in the restructuring liability principally consist of severance and other costs such as relocation and moving expenses associated with facility consolidations, as well as employee retention costs which are accrued ratably over the period through which employees must work to qualify for a payment.

[2] Excludes $128 million of net charges, principally for impairment of acquired technology, compensation contractually due and paid to employees of acquired businesses at the date of acquisition, fixed asset write-downs, and charges associated with pre-acquisition related matters.