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Other Comprehensive Income (Loss) - Tax Effects of Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | $ 6 | $ 105 | $ (35)
Tax (Expense) Benefit | (4) | (53) | (1)
Total OCI, net of tax | 2 | 52 | (36)
Foreign currency translation adjustments |  |  |
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | (27) | (38) | (17)
Tax (Expense) Benefit | 0 | 0 | 0
Total OCI, net of tax | (27) | (38) | (17)
Ownership share of equity method investees' OCI |  |  |
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | 37 | 1 | (22)
Tax (Expense) Benefit | (6) | (3) | 4
Total OCI, net of tax | 31 | (2) | (18)
DB plan adjustments |  |  |
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | 5 | 153 | (20)
Tax (Expense) Benefit | 0 | (52) | 0
Total OCI, net of tax | 5 | 101 | (20)
Unrealized gain (loss) on hedges |  |  |
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | (9) | (11) | 24
Tax (Expense) Benefit | 2 | 2 | (5)
Total OCI, net of tax | (7) | (9) | 19
Less: OCI attributable to NCI |  |  |
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | 1 | 1 | 1
Tax (Expense) Benefit | 0 | 0 | 0
Total OCI, net of tax | 1 | 1 | 1
OCI attributable to Fluor Corporation |  |  |
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | 5 | 104 | (36)
Tax (Expense) Benefit | (4) | (53) | (1)
Total OCI, net of tax | $ 1 | $ 51 | $ (37)

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