Contract Assets and Liabilities (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Dec. 31, 2020
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract]
Current Contract Assets, Net	$ 783		$ 731
Noncurrent Contract Assets, Net	10		11
Current Contract Liabilities	1,396		1,271
Noncurrent Contract Liabilities	760		$ 763
Revenue recognized that was included in the current contract liability balance at the beginning of the period	$ 566	$ 405