v3.25.0.1
EARNINGS (LOSS) PER SHARE - Schedule of Basic and Diluted Net Earnings (Loss) Per Ordinary Share (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Numerator      
Net income (loss) $ 162 $ (1,211) $ (370)
Net gain (loss) attributable to non-controlling interests and redeemable non-controlling interests. 53 13 (1)
Adjustment of redeemable non-controlling interest to redemption value. 66 (2) 63
Net loss attributable to Flutter shareholder - basic 43 (1,222) (432)
Net loss attributable to Flutter shareholder - diluted $ 43 $ (1,222) $ (432)
Denominator      
Basic weighted average outstanding shares (in shares) 178,000,000 177,000,000 177,000,000
Effective of dilutive share awards (in shares) 2,000,000 0 0
Diluted weighted average outstanding (in shares) 180,000,000 177,000,000 177,000,000
Earnings (Loss) per share      
Basic (in USD per share) $ 0.24 $ (6.89) $ (2.44)
Diluted (in USD per share) $ 0.24 $ (6.89) $ (2.44)