Cover Page - shares	3 Months Ended
	Mar. 31, 2024	Apr. 25, 2024
Entity Information [Line Items]
Document Type	10-Q
Document Fiscal Period Focus	Q1
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Amendment Flag	false
Document Fiscal Year Focus	2024
Current Fiscal Year End Date	--12-31
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 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
Entity Common Stock, Shares Outstanding		33,927,537
Common Stock
Entity 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
Entity 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
Entity 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
Entity 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
Entity 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
Entity Information [Line Items]
Title of 12(b) Security	0.500% Senior Notes Due 2028
Trading Symbol	BKNG 28
Security Exchange Name	NASDAQ
3.625% Senior Notes Due 2028
Entity Information [Line Items]
Title of 12(b) Security	3.625% Senior Notes Due 2028
Trading Symbol	BKNG 28A
Security Exchange Name	NASDAQ
4.250% Senior Notes Due 2029
Entity Information [Line Items]
Title of 12(b) Security	4.250% Senior Notes Due 2029
Trading Symbol	BKNG 29
Security Exchange Name	NASDAQ
3.500% Senior Notes Due 2029
Entity Information [Line Items]
Title of 12(b) Security	3.500% Senior Notes Due 2029
Trading Symbol	BKNG 29A
Security Exchange Name	NASDAQ
4.500% Senior Notes Due 2031
Entity Information [Line Items]
Title of 12(b) Security	4.500% Senior Notes Due 2031
Trading Symbol	BKNG 31
Security Exchange Name	NASDAQ
3.625% Senior Notes Due 2032
Entity Information [Line Items]
Title of 12(b) Security	3.625% Senior Notes Due 2032
Trading Symbol	BKNG 32
Security Exchange Name	NASDAQ
4.125% Senior Notes Due 2033
Entity Information [Line Items]
Title of 12(b) Security	4.125% Senior Notes Due 2033
Trading Symbol	BKNG 33
Security Exchange Name	NASDAQ
4.750% Senior Notes Due 2034
Entity Information [Line Items]
Title of 12(b) Security	4.750% Senior Notes Due 2034
Trading Symbol	BKNG 34
Security Exchange Name	NASDAQ
3.750% Senior Notes Due 2036
Entity Information [Line Items]
Title of 12(b) Security	3.750% Senior Notes Due 2036
Trading Symbol	BKNG 36
Security Exchange Name	NASDAQ
4.000% Senior Notes Due 2044
Entity Information [Line Items]
Title of 12(b) Security	4.000% Senior Notes Due 2044
Trading Symbol	BKNG 44
Security Exchange Name	NASDAQ