Schedule II Fidelity National Financial, Inc. (Parent Company) - Statement of Earnings and Retained Earnings (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 01, 2018
Revenues:
Other revenues	$ 2,615	$ 2,637	$ 2,416
Interest and investment income, including realized gains and losses	68	133	118
Realized gains and losses, net	(109)	2	(8)
Total revenues	7,594	7,663	7,257
Expenses:
Personnel costs	2,538	2,460	2,275
Other operating expenses	1,801	1,781	1,648
Interest expense	43	48	64
Total expenses	6,844	6,799	6,302
Earnings from continuing operations before income taxes and equity in earnings of unconsolidated affiliates	750	864	955
Income tax expense on continuing operations	120	235	347
Earnings from continuing operations	635	639	622
Net earnings from discontinued operations	0	155	70
Net earnings attributable to Fidelity National Financial, Inc. common shareholders	628	771	650
Retained Earnings (Accumulated Deficit) [Roll Forward]
Beginning balance	4,467	6,898	6,588
Dividends declared	(330)	(279)	(240)
Other equity activity	(1)	0	0
Net earnings attributable to Fidelity National Financial, Inc. common shareholders	628	771	650
Ending balance	4,628	4,467	6,898
ASU 2016-01
Retained Earnings (Accumulated Deficit) [Roll Forward]
Cumulative effect of adoption of accounting standards				$ 19
Retained Earnings
Retained Earnings (Accumulated Deficit) [Roll Forward]
Beginning balance	217	1,784	1,374
Dividends declared	(330)	(279)	(240)
Other equity activity	(2)
Ending balance	641	217	1,784
Retained Earnings | ASU 2016-01
Retained Earnings (Accumulated Deficit) [Roll Forward]
Cumulative effect of adoption of accounting standards				128
Parent Company
Revenues:
Other revenues	0	1	4
Interest and investment income, including realized gains and losses	40	24	24
Realized gains and losses, net	4	0	0
Total revenues	44	25	28
Expenses:
Personnel costs	35	32	26
Other operating expenses	20	8	6
Interest expense	43	48	64
Total expenses	98	88	96
Earnings from continuing operations before income taxes and equity in earnings of unconsolidated affiliates	(54)	(63)	(68)
Income tax expense on continuing operations	(9)	(17)	(24)
Losses before equity in earnings of subsidiaries	(45)	(46)	(44)
Equity in earnings of subsidiaries	673	685	671
Earnings from continuing operations	628	639	627
Net earnings from discontinued operations	0	132	23
Net earnings attributable to Fidelity National Financial, Inc. common shareholders	628	771	650
Retained Earnings (Accumulated Deficit) [Roll Forward]
Net earnings attributable to Fidelity National Financial, Inc. common shareholders	628	771	650
Parent Company | Retained Earnings
Expenses:
Net earnings attributable to Fidelity National Financial, Inc. common shareholders	628	771	650
Retained Earnings (Accumulated Deficit) [Roll Forward]
Beginning balance	217	1,784	1,374
Dividends declared	(330)	(279)	(240)
Other equity activity	(2)
Net earnings attributable to Fidelity National Financial, Inc. common shareholders	628	771	650
Ending balance	641	217	1,784
Parent Company | Retained Earnings | ASU 2016-01
Retained Earnings (Accumulated Deficit) [Roll Forward]
Cumulative effect of adoption of accounting standards		0	0	$ 128
Parent Company | Retained Earnings | BKFS
Retained Earnings (Accumulated Deficit) [Roll Forward]
Spinoff transaction	0	(823)	0
Parent Company | Retained Earnings | FNFV
Retained Earnings (Accumulated Deficit) [Roll Forward]
Spinoff transaction	$ 0	$ (1,236)	$ 0