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Earnings Per Share - Schedule of Calculations of Basic and Diluted EPS (Details) $ / shares in Units, shares in Millions, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2023 day $ / shares | Dec. 31, 2023 USD ($) day $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 USD ($) $ / shares shares
Net earnings (loss) from Cont Ops attributable to Fluor |  |  |  |
Net earnings (loss) from Cont Ops attributable to Fluor | $ |  | $ 139 | $ 145 | $ (405)
Less: Dividends on CPS | $ |  | 29 | 39 | 24
Less: Make-whole payment on conversion of CPS | $ |  | 27 | 0 | 0
Net earnings (loss) from Cont Ops available to Fluor common stockholders | $ |  | 83 | 106 | (429)
Net earnings (loss) from Disc Ops attributable to Fluor | $ |  | 0 | 0 | (35)
Net earnings (loss) available to Fluor common stockholders, basic | $ |  | $ 83 | $ 106 | $ (464)
Weighted average common shares outstanding (in shares) | shares |  | 150 | 142 | 141
Diluted effect: |  |  |  |
CPS (in shares) | shares |  | 0 | 0 | 0
Stock options, RSUs, restricted stock and performance-based award units (in shares) | shares |  | 3 | 3 | 0
Convertible debt (in shares) | shares |  | 0 | 0 | 0
Weighted average diluted shares outstanding (in shares) | shares |  | 153 | 145 | 141
Basic EPS available to Fluor common stockholders: |  |  |  |
Net earnings (loss) from Cont Ops (in dollars per share) | $ / shares |  | $ 0.55 | $ 0.75 | $ (3.04)
Net earnings (loss) from Disc Ops (in dollars per share) | $ / shares |  | 0 | 0 | (0.25)
Diluted EPS available to Fluor common stockholders: |  |  |  |
Net earnings (loss) from Cont Ops (in dollars per share) | $ / shares |  | 0.54 | 0.73 | (3.04)
Net earnings (loss) from Disc Ops (in dollars per share) | $ / shares |  | 0 | $ 0 | $ (0.25)
2029 Senior Notes | Convertible Debt |  |  |  |
Diluted EPS available to Fluor common stockholders: |  |  |  |
Conversion price (in dollars per share) | $ / shares | $ 45.37 | 45.37 |  |
Stock price trigger (in dollar per share) | $ / shares |  | $ 58.98 |  |
2029 Senior Notes | Convertible Debt | Debt Conversion Terms One |  |  |  |
Diluted EPS available to Fluor common stockholders: |  |  |  |
Threshold trading days | day | 20 | 20 |  |
Threshold consecutive trading days | day |  | 30 |  |

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