Revenue (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Sep. 29, 2023	Sep. 30, 2022	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Revenue, OTLs and STLs	$ 125	$ 120	$ 363	$ 361
Contract with customer, assets, net	63		63		$ 90
Contract with customer, liabilities	$ 1,900		1,900		$ 1,900
Contract with customer, liabilities, revenue recognized			$ 1,200	$ 1,200