Income Taxes - Taxes on Income (Details) - USD ($) $ in Millions		3 Months Ended
	Dec. 22, 2017	Mar. 31, 2018	Dec. 31, 2017	Apr. 02, 2017
Income Tax Contingency [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%
Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act of 2017 Percent	21.00%
Tax Cuts And Jobs Act of 2017 Incomplete Accounting Provisional Income Tax Expense Benefit			$ 212
Decrease to the one-time mandatory deemed repatriation tax obligation		$ 2
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent		0.60%
Effective tax rate for income from continuing operations		16.10%		29.10%
Share-based Payments [Member]
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability		$ 8		$ 5
Change in Non-U.S. Statutory Tax Rates [Member]
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability		8		$ 3
Repatriation Tax due to Tax Act [Member]
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability		$ 2