v3.26.1
COVER PAGE - shares
shares in Millions
 3 Months Ended
Mar. 31, 2026
Apr. 22, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 001-37580  
Entity Registrant Name Alphabet Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 61-1767919  
Entity Address, Address Line One 1600 Amphitheatre Parkway  
Entity Address, City or Town Mountain View  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94043  
City Area Code 650  
Local Phone Number 253-0000  
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  
Amendment Flag false  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Central Index Key 0001652044  
Current Fiscal Year End Date --12-31  
Class A Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Class A Common Stock, $0.001 par value  
Trading Symbol GOOGL  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   5,824
Class B Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   836
Class C share repurchases    
Document Information [Line Items]    
Title of 12(b) Security Class C Capital Stock, $0.001 par value  
Trading Symbol GOOG  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   5,456
2.375% Senior Notes due 2028    
Document Information [Line Items]    
Title of 12(b) Security 2.375% Senior Notes due 2028  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
2.500% Senior Notes due 2029    
Document Information [Line Items]    
Title of 12(b) Security 2.500% Senior Notes due 2029  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
4.125% Senior Notes due 2029    
Document Information [Line Items]    
Title of 12(b) Security 4.125% Senior Notes due 2029  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
2.875% Senior Notes due 2031    
Document Information [Line Items]    
Title of 12(b) Security 2.875% Senior Notes due 2031  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
4.625% Senior Notes due 2032    
Document Information [Line Items]    
Title of 12(b) Security 4.625% Senior Notes due 2032  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
3.000% Senior Notes due 2033    
Document Information [Line Items]    
Title of 12(b) Security 3.000% Senior Notes due 2033  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
3.125% Senior Notes due 2034    
Document Information [Line Items]    
Title of 12(b) Security 3.125% Senior Notes due 2034  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
3.375% Senior Notes due 2037    
Document Information [Line Items]    
Title of 12(b) Security 3.375% Senior Notes due 2037  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
3.500% Senior Notes due 2038    
Document Information [Line Items]    
Title of 12(b) Security 3.500% Senior Notes due 2038  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
5.500% Senior Notes due 2041    
Document Information [Line Items]    
Title of 12(b) Security 5.500% Senior Notes due 2041  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
4.000% Senior Notes due 2044    
Document Information [Line Items]    
Title of 12(b) Security 4.000% Senior Notes due 2044  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
3.875% Senior Notes due 2045    
Document Information [Line Items]    
Title of 12(b) Security 3.875% Senior Notes due 2045  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
4.000% Senior Notes due 2054    
Document Information [Line Items]    
Title of 12(b) Security 4.000% Senior Notes due 2054  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
5.875% Senior Notes due 2058    
Document Information [Line Items]    
Title of 12(b) Security 5.875% Senior Notes due 2058  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
4.375% Senior Notes due 2064    
Document Information [Line Items]    
Title of 12(b) Security 4.375% Senior Notes due 2064  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ  
6.125% Senior Notes due 2126    
Document Information [Line Items]    
Title of 12(b) Security 6.125% Senior Notes due 2126  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ