Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Non-cash Investing and Financing Activities [Abstract]
Declared but unpaid dividends	$ 88	$ 77
Issuance of stock upon vesting of restricted stock units	73	69
Cash and Cash Equivalents	2,981		$ 2,399
Restricted Cash Included in Other Current Assets	27		21
Restricted Cash Included in Other Assets	2		2
Cash, Cash Equivalents and Restricted Cash	$ 3,010	$ 1,128	$ 2,422	$ 2,117
Restricted Cash and Cash Equivalents, Current, Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsCurrent
Restricted Cash and Cash Equivalents, Noncurrent, Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsNoncurrent