Description of Business, Including Segment and Geographic Area Information - Schedule of Property, Plant and Equipment by Geographic Area (Details) - USD ($) $ in Millions		Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Property, plant and equipment		$ 3,183	$ 2,664
United States
Segment Reporting Information [Line Items]
Property, plant and equipment		1,812	1,469
Asia
Segment Reporting Information [Line Items]
Property, plant and equipment	[1]	1,116	964
Europe, Middle East And Africa
Segment Reporting Information [Line Items]
Property, plant and equipment		84	97
Japan
Segment Reporting Information [Line Items]
Property, plant and equipment		157	118
Rest of world
Segment Reporting Information [Line Items]
Property, plant and equipment		$ 14	$ 16

[1] Property, plant and equipment at our two sites in the Philippines was $437 million as of December 31, 2018 and 2017. Property, plant and equipment at our sites in China was $313 million and $236 million as of December 31, 2018 and 2017, respectively.