Income Taxes Rate Reconciliation (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Apr. 01, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Reconciliation [Line Items]
Tax Cuts And Jobs Act of 2017, Transition Tax			$ 1,250
Tax Cuts And Jobs Act of 2017, Remeasurement of Deferred Taxes due to Change In Tax Rate			(1,060)
Tax Cuts And Jobs Act of 2017, Income Tax Expense (Benefit)			$ 204
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Federal Statutory Income Tax Rate			35.00%	35.00%	35.00%
Provision for Income Taxes at Statutory Rate			$ 850	$ 708	$ 678
Foreign rate differential			(380)	(322)	(275)
Foreign exchange loss on inter-company debt refinancing			(237)
Income tax credits			(273)	(318)	(316)
Manufacturing deduction			(42)	(38)	(38)
Withholding taxes			55
Singapore tax holiday			(25)	(23)	(21)
Impact of change in tax laws and apportionment on deferred taxes			(1,121)	2	(38)
Transition tax			1,250
Provision of tax reserves, net			99	12	18
Excess tax benefits from stock options and restricted stock units			(65)
Tax return reassessments and settlements			8	(41)	(54)
Other, net			82	19	2
Provision for (benefit from) income taxes			201	(1)	(44)
US foreign tax credits generated by repatriation of foreign earnings			86	91	111
US Income taxes on repatriated foreign earnings			53	37	46
Income Tax Holiday [Line Items]
Change in Enacted Tax Rate, Amount			$ (1,121)	$ 2	$ (38)
Scenario, Forecast [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Federal Statutory Income Tax Rate		21.00%
Singapore
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Impact of change in tax laws and apportionment on deferred taxes	$ (65)
Income Tax Holiday [Line Items]
Income Tax Holiday, Termination Date			12/31/2026
Effective Income Tax Rate Reconciliation, Tax Holiday, Percent			1.00%	1.10%	1.10%
Income Tax Holiday, Income Tax Benefits Per Share			$ 0.06	$ 0.06	$ 0.05
Change in Enacted Tax Rate, Amount	$ (65)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Per Diluted Share	$ 0.16
Credits Generated Due To Tax Planning Initiatives, Sweden [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
US foreign tax credits generated by repatriation of foreign earnings			$ 20	$ 100	$ 80