Segment Information Selected Statement of Income (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Revenue		$ 1,455	$ 1,366
Cost of Sales		518	447
Other (income)/deductions—net		(14)	(5)
Income before provision for taxes on income	[1]	381	417
Depreciation and amortization	[1],[2]	98	60
Acquisition-related costs		5
Other business activities
Segment Reporting Information [Line Items]
Income before provision for taxes on income		(80)	(81)
Depreciation and amortization	[2]	5	5
Acquisition-related Costs [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	[2]	0	0
Operating Segments
Segment Reporting Information [Line Items]
Income before provision for taxes on income		837	756
Depreciation and amortization	[2]	23	19
Operating Segments | U.S.
Segment Reporting Information [Line Items]
Revenue		718	634
Cost of Sales		147	140
Gross Profit		$ 571	$ 494
Gross margin, percentage		79.50%	77.90%
Operating Expenses		$ 110	$ 96
Other (income)/deductions—net		0	0
Income before provision for taxes on income		461	398
Depreciation and amortization	[2]	10	8
Operating Segments | International
Segment Reporting Information [Line Items]
Revenue	[3]	718	726
Cost of Sales		210	234
Gross Profit		$ 508	$ 492
Gross margin, percentage		70.80%	67.80%
Operating Expenses		$ 132	$ 133
Other (income)/deductions—net		0	1
Income before provision for taxes on income		376	358
Depreciation and amortization	[2]	13	11
Corporate
Segment Reporting Information [Line Items]
Income before provision for taxes on income		(162)	(153)
Depreciation and amortization	[2]	14	13
Reconciling Items
Segment Reporting Information [Line Items]
Purchase accounting adjustments, Earnings		(66)	(23)
Purchase accounting adjustments, Depreciation and Amortization	[2]	55	23
Acquisition-related costs		(5)	(1)
Certain significant items, Earnings	[4]	(70)	(3)
Certain significant items, Depreciation and Amortization	[2],[4]	0	0
Other unallocated, Earnings		(73)	(78)
Other Unallocated, Depreciation and Amortization	[2]	$ 1	$ 0

[1] Defined as income before provision for taxes on income.

[2] Certain production facilities are shared. Depreciation and amortization is allocated to the reportable operating segments based on estimates of where the benefits of the related assets are realized.

[3] Revenue denominated in euros was $181 million and $184 million for the three months ended March 31, 2019, and March 31, 2018, respectively.

[4] For the three months ended March 31, 2019, primarily represents a change in estimate related to inventory costing of $68 million, and consulting fees of $2 million related to our supply network strategy. For the three months ended March 31, 2018, primarily represents: (i) employee termination costs and consulting fees related to our supply network strategy, and (ii) a charge related to the implementation of new accounting guidance as a result of the enactment of the Tax Act.