COVER PAGE - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2022	Feb. 16, 2023	Jun. 30, 2022
Document Information [Line Items]
Document Type	10-K
Document Fiscal Period Focus	FY
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Document Transition Report	false
Amendment Flag	false
Document Fiscal Year Focus	2022
Entity File Number	1-36691
Entity Registrant Name	Booking Holdings Inc.
Entity Central Index Key	0001075531
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	06-1528493
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
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
ICFR Auditor Attestation Flag	true
Entity Public Float			$ 70.1
Entity Common Stock, Shares Outstanding		37,648,373
Documents Incorporated by Reference	The information required by Part III of this Annual Report on Form 10-K, to the extent not set forth in this Form 10-K, is incorporated herein by reference from Booking Holdings Inc.'s definitive proxy statement relating to its annual meeting of stockholders to be held on June 6, 2023, to be filed with the Securities and Exchange Commission within 120 days after the end of Booking Holdings Inc.'s fiscal year ended December 31, 2022.
Current Fiscal Year End Date	--12-31
Common Stock par value $0.008 per share
Document Information [Line Items]
Title of 12(b) Security	Common Stock par value $0.008 per share
Trading Symbol	BKNG
Security Exchange Name	NASDAQ
2.375% Senior Notes Due 2024
Document Information [Line Items]
Title of 12(b) Security	2.375% Senior Notes Due 2024
Trading Symbol	BKNG 24
Security Exchange Name	NASDAQ
0.100% Senior Notes Due 2025
Document Information [Line Items]
Title of 12(b) Security	0.100% Senior Notes Due 2025
Trading Symbol	BKNG 25
Security Exchange Name	NASDAQ
4.000% Senior Notes Due 2026
Document Information [Line Items]
Title of 12(b) Security	4.000% Senior Notes Due 2026
Trading Symbol	BKNG 26
Security Exchange Name	NASDAQ
1.800% Senior Notes Due 2027
Document Information [Line Items]
Title of 12(b) Security	1.800% Senior Notes Due 2027
Trading Symbol	BKNG 27
Security Exchange Name	NASDAQ
0.500% Senior Notes Due 2028
Document Information [Line Items]
Title of 12(b) Security	0.500% Senior Notes Due 2028
Trading Symbol	BKNG 28
Security Exchange Name	NASDAQ
4.250% Senior Notes Due 2029
Document Information [Line Items]
Title of 12(b) Security	4.250% Senior Notes Due 2029
Trading Symbol	BKNG 29
Security Exchange Name	NASDAQ
4.500% Senior Notes Due 2031
Document Information [Line Items]
Title of 12(b) Security	4.500% Senior Notes Due 2031
Trading Symbol	BKNG 31
Security Exchange Name	NASDAQ
4.750% Senior Notes Due 2034
Document Information [Line Items]
Title of 12(b) Security	4.750% Senior Notes Due 2034
Trading Symbol	BKNG 34
Security Exchange Name	NASDAQ