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Other Comprehensive Income (Loss) - Tax Effects of Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | $ 105,340 | $ (34,825) | $ 240,627
Tax (Expense) Benefit | (52,839) | (1,325) | (78,319)
Total OCI, net of tax | 52,501 | (36,150) | 162,308
Foreign currency translation adjustments |  |  |
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | (37,422) | (17,127) | 101,096
Tax (Expense) Benefit | (11) | 0 | (35,596)
Total OCI, net of tax | (37,433) | (17,127) | 65,500
Ownership share of equity method investees' OCI |  |  |
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | 545 | (21,837) | (15,630)
Tax (Expense) Benefit | (2,237) | 3,309 | 3,846
Total OCI, net of tax | (1,692) | (18,528) | (11,784)
DB plan adjustments |  |  |
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | 153,285 | (19,392) | 150,427
Tax (Expense) Benefit | (52,313) | 0 | (44,975)
Total OCI, net of tax | 100,972 | (19,392) | 105,452
Unrealized gain (loss) on hedges |  |  |
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | (11,068) | 23,531 | 4,734
Tax (Expense) Benefit | 1,722 | (4,634) | (1,594)
Total OCI, net of tax | (9,346) | 18,897 | 3,140
Less: OCI attributable to NCI |  |  |
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | 1,334 | 883 | (1,350)
Tax (Expense) Benefit | 0 | 0 | 0
Total OCI, net of tax | 1,334 | 883 | (1,350)
OCI attributable to Fluor Corporation |  |  |
Tax effects of the components of other comprehensive income (loss) |  |  |
Before-Tax Amount | 104,006 | (35,708) | 241,977
Tax (Expense) Benefit | (52,839) | (1,325) | (78,319)
Total OCI, net of tax | $ 51,167 | $ (37,033) | $ 163,658

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- Definition Amount before tax, after reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=124431353&loc=SL124442411-227067 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33775-111570 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=124431353&loc=SL124442407-227067 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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