Acquisitions - Consideration Paid (Details) - USD ($) $ in Millions		9 Months Ended
	Jun. 01, 2020	Sep. 30, 2020	Sep. 30, 2019
Business Acquisition [Line Items]
Net cash paid for F&G		$ 1,076	$ 0
F&G
Business Acquisition [Line Items]
Cash paid for outstanding F&G shares	$ 1,903
Less: Cash Acquired	(827)
Net cash paid for F&G	1,076
Value of FNF share consideration	806
Value of outstanding converted equity awards attributed to services already rendered	28
Total net consideration paid	$ 1,910