Income Taxes Rate Reconciliation (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Statutory Federal Income Tax Rate			21.00%	35.00%
Provision for Income Taxes at Statutory Rate			$ 302	$ 395
Foreign rate differential			(116)	(190)
Income tax credits			(119)	(114)
Effective Income Tax Rate Reconciliation, Global Intangible Low-taxed Income			81
Foreign-derived intangible income			(22)
Singapore tax holiday			(19)	(10)
Impact of change in tax laws and apportionment on deferred taxes			9	(63)
Transition tax and other initial impacts of U.S. tax reform			70
Reversal of tax reserves, net			(49)
Excess tax benefits from stock options and restricted stock units			(36)	(35)
Other, net			8	(18)
Provision for (benefit from) income taxes	$ 54	$ 13	109	$ (35)
Tax Cuts And Jobs Act of 2017, Income Tax Expense (Benefit)			$ 21
Singapore
Income Tax Holiday [Line Items]
Income Tax Holiday, Termination Date			12/31/2026
Effective Income Tax Rate Reconciliation, Tax Holiday, Percent			1.30%	0.90%
Income Tax Holiday, Income Tax Benefits Per Share			$ 0.05	$ 0.03