Income Taxes - Taxes on Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Income Tax Contingency [Line Items]
Effective tax rate for income from continuing operations	14.90%	18.10%
Liabilities associated with uncertain tax positions	$ 184		$ 182
Other Taxes Payable
Income Tax Contingency [Line Items]
Liabilities associated with uncertain tax positions	182		$ 180
Share-based Payments
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	23	$ 13
Change in Non-U.S. Statutory Tax Rates
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	3	$ 4
Integration of Acquired Businesses
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	$ 6