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Operating Information by Segment and Geographic Area - Reportable Segments (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | $ 4,227 | $ 3,939 | $ 7,961 | $ 7,692
Total segment profit | 176 | 94 | 228 | (47)
G&A | (50) | (60) | (110) | (121)
Foreign currency gain (loss) | 48 | (44) | 60 | (86)
Earnings before taxes | 214 | 131 | 305 | 31
Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
G&A | (50) | (60) | (110) | (121)
Foreign currency gain (loss) | 48 | (44) | 60 | (86)
Interest income (expense), net | 38 | 37 | 77 | 78
Earnings (loss) attributable to NCI | (16) | 7 | (34) | (16)
Earnings before taxes | 214 | 131 | 305 | 31
Continuing Operations | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 4,227 | 3,939 | 7,961 | 7,692
Total segment profit | 194 | 191 | 312 | 176
Continuing Operations | Consolidation, Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 75 | 74 | 156 | 143
Continuing Operations | Energy Solutions | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 1,595 | 1,721 | 3,028 | 3,333
Total segment profit | 75 | 89 | 143 | 178
Continuing Operations | Urban Solutions | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 1,831 | 1,202 | 3,309 | 2,411
Total segment profit | 105 | 76 | 155 | 55
Continuing Operations | Mission Solutions | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 704 | 705 | 1,305 | 1,354
Total segment profit | 41 | 40 | 63 | 47
Continuing Operations | Other | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 97 | 311 | 319 | 594
Total segment profit | $ (27) | $ (14) | $ (49) | $ (104)

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