Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2022	Nov. 10, 2022
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2022
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q3
Document Transition Report	false
Entity File Number	033-37587
Entity Registrant Name	PRUCO LIFE INSURANCE CO
Entity Central Index Key	0000777917
Entity Incorporation, State or Country Code	AZ
Entity Tax Identification Number	22-1944557
Entity Address, Address Line One	213 Washington Street
Entity Address, City or Town	Newark
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07102
City Area Code	973
Local Phone Number	802-6000
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		250,000