Proposed separation transaction (Details) $ in Millions	3 Months Ended
	Apr. 01, 2023 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proposed separation transaction related costs	$ 51
COGS
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proposed separation transaction related costs	4
Selling, General and Administrative Expenses
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proposed separation transaction related costs	$ 47