Revenue (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Revenue, OTLs and STLs	$ 118	$ 117	$ 238	$ 241
Contract with customer, assets, net	74		74		$ 90
Contract with customer, liabilities	$ 2,000		2,000		$ 1,900
Contract with customer, liabilities, revenue recognized			$ 1,000	$ 995