| Cover | Nov. 18, 2024 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 18, 2024 |
| Entity File Number | 1-36691 |
| Entity Registrant Name | Booking Holdings Inc. |
| Entity Central Index Key | 0001075531 |
| Entity Tax Identification Number | 06-1528493 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 800 Connecticut Avenue |
| Entity Address, City or Town | Norwalk |
| Entity Address, State or Province | CT |
| Entity Address, Postal Zip Code | 06854 |
| City Area Code | 203 |
| Local Phone Number | 299-8000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Common Stock [Member] | |
| Title of 12(b) Security | Common Stock par value $0.008 per share |
| Trading Symbol | BKNG |
| Security Exchange Name | NASDAQ |
| Notes 0. 100percent Senior Due 2025 [Member] | |
| Title of 12(b) Security | 0.100% Senior Notes Due 2025 |
| Trading Symbol | BKNG 25 |
| Security Exchange Name | NASDAQ |
| Notes 4. 000percent Senior Due 2026 [Member] | |
| Title of 12(b) Security | 4.000% Senior Notes Due 2026 |
| Trading Symbol | BKNG 26 |
| Security Exchange Name | NASDAQ |
| Notes 1. 800percent Senior Due 2027 [Member] | |
| Title of 12(b) Security | 1.800% Senior Notes Due 2027 |
| Trading Symbol | BKNG 27 |
| Security Exchange Name | NASDAQ |
| Notes 0. 500percent Senior Due 2028 [Member] | |
| Title of 12(b) Security | 0.500% Senior Notes Due 2028 |
| Trading Symbol | BKNG 28 |
| Security Exchange Name | NASDAQ |
| Notes 3. 625percent Senior Due 2028 [Member] | |
| Title of 12(b) Security | 3.625% Senior Notes Due 2028 |
| Trading Symbol | BKNG 28A |
| Security Exchange Name | NASDAQ |
| Notes 4. 250percent Senior Due 2029 [Member] | |
| Title of 12(b) Security | 4.250% Senior Notes Due 2029 |
| Trading Symbol | BKNG 29 |
| Security Exchange Name | NASDAQ |
| Notes 3. 500percent Senior Due 2029 [Member] | |
| Title of 12(b) Security | 3.500% Senior Notes Due 2029 |
| Trading Symbol | BKNG 29A |
| Security Exchange Name | NASDAQ |
| Notes 4. 500percent Senior Due 2031 [Member] | |
| Title of 12(b) Security | 4.500% Senior Notes Due 2031 |
| Trading Symbol | BKNG 31 |
| Security Exchange Name | NASDAQ |
| Notes 3. 625percent Senior Due 2032 [Member] | |
| Title of 12(b) Security | 3.625% Senior Notes Due 2032 |
| Trading Symbol | BKNG 32 |
| Security Exchange Name | NASDAQ |
| Notes 4. 125percent Senior Due 2033 [Member] | |
| Title of 12(b) Security | 4.125% Senior Notes Due 2033 |
| Trading Symbol | BKNG 33 |
| Security Exchange Name | NASDAQ |
| Notes 4. 750percent Senior Due 2034 [Member] | |
| Title of 12(b) Security | 4.750% Senior Notes Due 2034 |
| Trading Symbol | BKNG 34 |
| Security Exchange Name | NASDAQ |
| Notes 3. 750percent Senior Due 2036 [Member] | |
| Title of 12(b) Security | 3.750% Senior Notes Due 2036 |
| Trading Symbol | BKNG 36 |
| Security Exchange Name | NASDAQ |
| Notes 4. 000percent Senior Due 2044 [Member] | |
| Title of 12(b) Security | 4.000% Senior Notes Due 2044 |
| Trading Symbol | BKNG 44 |
| Security Exchange Name | NASDAQ |
