Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2020	Nov. 10, 2020
Text Block [Abstract]
Registrant Name	Cannabis Sativa, Inc.
Registrant CIK	0001360442
SEC Form	10-Q
Period End date	Sep. 30, 2020
Fiscal Year End	--12-31
Number of common stock shares outstanding		27,147,515
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Shell Company	false
Entity Interactive Data Current	Yes
Current with reporting	Yes
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Entity File Number	000-53571
Entity Incorporation, State Country Code	NV
Entity Address, Address Line One	450 Hillside Dr. #A224
Entity Address, City or Town	Mesquite
Entity Address, State or Province	NV
Entity Address, Postal Zip Code	89024
City Area Code	702
Local Phone Number	762-3123
Entity Ex Transition Period	false