Accumulated Other Comprehensive Loss - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions |
12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||||||
| Beginning balance, equity (deficit) attributable to Hilton stockholders | $ (3,727) | ||||||||
| Ending balance, equity (deficit) attributable to Hilton stockholders | (5,388) | $ (3,727) | |||||||
| Currency translation adjustment | |||||||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||||||
| Beginning balance, equity (deficit) attributable to Hilton stockholders | [1] | (591) | (539) | $ (548) | |||||
| Other comprehensive income (loss) before reclassifications | [1] | 83 | (54) | 9 | |||||
| Amounts reclassified from accumulated other comprehensive loss | [1] | 1 | 2 | 0 | |||||
| Net other comprehensive income (loss) | [1] | 84 | (52) | 9 | |||||
| Ending balance, equity (deficit) attributable to Hilton stockholders | [1] | (507) | (591) | (539) | |||||
| Pension liability adjustment | |||||||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||||||
| Beginning balance, equity (deficit) attributable to Hilton stockholders | [2] | (240) | (262) | (259) | |||||
| Other comprehensive income (loss) before reclassifications | [2] | (7) | 4 | (11) | |||||
| Amounts reclassified from accumulated other comprehensive loss | [2] | 24 | 18 | 8 | |||||
| Net other comprehensive income (loss) | [2] | 17 | 22 | (3) | |||||
| Ending balance, equity (deficit) attributable to Hilton stockholders | [2] | (223) | (240) | (262) | |||||
| Cash Flow Hedge Adjustment | |||||||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||||||
| Beginning balance, equity (deficit) attributable to Hilton stockholders | [3] | 49 | 70 | 101 | |||||
| Other comprehensive income (loss) before reclassifications | [3] | (12) | 30 | 9 | |||||
| Amounts reclassified from accumulated other comprehensive loss | [3] | (36) | (51) | (40) | |||||
| Net other comprehensive income (loss) | [3] | (48) | (21) | (31) | |||||
| Ending balance, equity (deficit) attributable to Hilton stockholders | [3] | 1 | 49 | 70 | |||||
| Accumulated other comprehensive loss | |||||||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||||||
| Beginning balance, equity (deficit) attributable to Hilton stockholders | (782) | (731) | (706) | ||||||
| Other comprehensive income (loss) before reclassifications | 64 | (20) | 7 | ||||||
| Amounts reclassified from accumulated other comprehensive loss | (11) | (31) | (32) | ||||||
| Net other comprehensive income (loss) | 53 | (51) | (25) | ||||||
| Ending balance, equity (deficit) attributable to Hilton stockholders | $ (729) | $ (782) | $ (731) | ||||||
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