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Business Segment Information (Schedule of Selected Geographic Information) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |
Total revenues | $ 7,339 | $ 5,767 | $ 5,639
Property, plant & equipment, net | 136 | 130 |
United States |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 4,923 | 3,031 | 2,705
Property, plant & equipment, net | 70 | 70 |
Middle East |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 590 | 857 | 1,027
Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 1,039 | 961 | 1,058
Australia |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 367 | 324 | 288
Canada |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 3 | 46 | 39
Africa |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 179 | 152 | 197
Asia |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 199 | 203 | 214
United Kingdom |  |  |
Segment Reporting Information [Line Items] |  |  |
Property, plant & equipment, net | 49 | 45 |
Other countries |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 39 | 193 | $ 111
Property, plant & equipment, net | $ 17 | $ 15 |

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