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Description of Business, Including Segment and Geographic Area Information - Schedule of Property, Plant and Equipment by Geographic Area (Details) $ in Millions | Dec. 31, 2020 USD ($) site | Dec. 31, 2019 USD ($) site
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Segment Reporting Information [Line Items] |  |  |
Total property, plant and equipment |  | $ 3,269 | $ 3,303
United States |  |  |
Segment Reporting Information [Line Items] |  |  |
Total property, plant and equipment |  | 2,036 | 1,998
Asia |  |  |
Segment Reporting Information [Line Items] |  |  |
Total property, plant and equipment | [1] | 1,005 | 1,046
Europe, Middle East And Africa |  |  |
Segment Reporting Information [Line Items] |  |  |
Total property, plant and equipment |  | 52 | 63
Japan |  |  |
Segment Reporting Information [Line Items] |  |  |
Total property, plant and equipment |  | 165 | 185
Rest of world |  |  |
Segment Reporting Information [Line Items] |  |  |
Total property, plant and equipment |  | 11 | 11
Philippines |  |  |
Segment Reporting Information [Line Items] |  |  |
Total property, plant and equipment |  | $ 333 | $ 394
Number of sites | site |  | 2 | 2
China |  |  |
Segment Reporting Information [Line Items] |  |  |
Total property, plant and equipment |  | $ 370 | $ 304
[1] | Property, plant and equipment at our two sites in the Philippines was $333 million and $394 million as of December 31, 2020 and 2019, respectively. Property, plant and equipment at our sites in China was $370 million and $304 million as of December 31, 2020 and 2019, respectively.

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