Recent Accounting Pronouncements (Details) - USD ($) $ in Millions	Mar. 28, 2020	Jan. 01, 2020	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts Receivable, less Allowances	$ 4,508		$ 4,349
Retained earnings	$ 22,791		$ 22,092
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts Receivable, less Allowances		$ (1)
Retained earnings		$ (1)