Schedule II - Condensed Financial Information - Statement of Earnings (Parent Company) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues:
Other fees and revenue	$ 4,324	$ 4,795	$ 3,092
Interest and investment income and realized gains	398	2,295	1,388
Realized gains and losses, net	(1,493)	334	488
Total revenues	11,556	15,643	10,778
Expenses:
Personnel costs	3,192	3,528	2,951
Other operating expenses	1,721	1,929	1,759
Interest expense	115	114	90
Total expenses	10,021	12,560	8,994
Earnings from continuing operations before income taxes and equity in earnings of unconsolidated affiliates	1,535	3,083	1,784
Income tax expense	398	713	322
Earnings from continuing operations	1,152	2,434	1,477
Equity in earnings of discontinued operations	0	8	(25)
Net earnings attributable to FNF common shareholders	1,136	2,422	1,427
Beginning balance	9,457	8,392	5,365
Dividends declared	(490)	(447)	(389)
Ending balance	5,979	9,457	8,392
Retained Earnings
Expenses:
Beginning balance	4,369	2,394	1,356
Dividends declared	(490)	(447)	(389)
Ending balance	4,714	4,369	2,394
Parent Company
Revenues:
Other fees and revenue	(37)	24	32
Interest and investment income and realized gains	43	17	25
Realized gains and losses, net	(42)	12	(6)
Total revenues	(36)	53	51
Expenses:
Personnel costs	(11)	54	58
Other operating expenses	16	25	60
Interest expense	92	87	71
Total expenses	97	166	189
Earnings from continuing operations before income taxes and equity in earnings of unconsolidated affiliates	(133)	(113)	(138)
Income tax expense	(33)	(27)	(33)
Losses before equity in earnings of subsidiaries	(100)	(86)	(105)
Equity in earnings of subsidiaries	1,236	2,500	1,557
Earnings from continuing operations	1,136	2,414	1,452
Equity in earnings of discontinued operations	0	8	(25)
Net earnings attributable to FNF common shareholders	1,136	2,422	1,427
Parent Company | Retained Earnings
Expenses:
Net earnings attributable to FNF common shareholders	1,136	2,422	1,427
Beginning balance	4,369	2,394	1,356
Dividends declared	(490)	(447)	(389)
Distribution of F&G to FNF common shareholders	(301)	0	0
Ending balance	$ 4,714	$ 4,369	$ 2,394