v3.26.1
Segment Information - Schedule of Operating Segment Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Revenue $ 4,315 $ 3,786 $ 7,741 $ 6,774
Selling and marketing - direct 2,119 1,920 3,975 3,677
Segment Adjusted EBITDA 1,259 1,053 1,947 1,481
Unallocated corporate and other expenses (140) (145) (286) (277)
Depreciation and amortization (228) (223) (456) (442)
Stock-based compensation (114) (105) (217) (203)
Legal reserves, occupancy tax and other (6) (2) 58 (2)
Restructuring and related reorganization charges, excluding stock-based compensation (11) (41) (63) (67)
Other income (expense), net, excluding realized gain/loss on revenue hedges 267 (114) 69 (284)
Income before income taxes 1,027 423 1,052 206
Intersegment revenue        
Segment Reporting [Line Items]        
Revenue 51 60 93 106
Reportable Segments        
Segment Reporting [Line Items]        
Revenue 4,366 3,846 7,834 6,880
B2C        
Segment Reporting [Line Items]        
Revenue 2,677 2,479 4,795 4,435
B2C | Intersegment revenue        
Segment Reporting [Line Items]        
Revenue 0 0 0 0
B2C | Reportable Segments        
Segment Reporting [Line Items]        
Revenue 2,677 2,479 4,795 4,435
Cost of revenue 346 340 670 652
Selling and marketing - direct 1,101 1,092 2,136 2,207
Other segment items 341 319 674 631
Segment Adjusted EBITDA 889 728 1,315 945
B2B        
Segment Reporting [Line Items]        
Revenue 1,493 1,209 2,676 2,156
B2B | Intersegment revenue        
Segment Reporting [Line Items]        
Revenue 0 0 0 0
B2B | Reportable Segments        
Segment Reporting [Line Items]        
Revenue 1,493 1,209 2,676 2,156
Cost of revenue 39 28 78 66
Selling and marketing - direct 915 752 1,641 1,329
Other segment items 170 98 319 214
Segment Adjusted EBITDA 369 331 638 547
trivago        
Segment Reporting [Line Items]        
Revenue 145 98 270 183
trivago | Intersegment revenue        
Segment Reporting [Line Items]        
Revenue 51 60 93 106
trivago | Reportable Segments        
Segment Reporting [Line Items]        
Revenue 196 158 363 289
Cost of revenue 13 4 22 8
Selling and marketing - direct 154 136 291 247
Other segment items 28 24 56 45
Segment Adjusted EBITDA 1 (6) (6) (11)
B2C and B2B | Reportable Segments        
Segment Reporting [Line Items]        
Realized gains (losses) on revenue $ (40) $ 52 $ (68) $ 75