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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 2,851	$ 2,435	$ 2,122
Interest and investment income	1,961	900	225
Recognized gains and losses, net	334	488	318
Total revenues	15,643	10,778	8,469
Title
Disaggregation of Revenue [Line Items]
Loan subservicing revenue	364	338	285
Total revenues	11,497	9,374	8,259
Title | Direct title insurance premiums
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	3,571	2,699	2,381
Title | Agency title insurance premiums
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	4,982	3,599	2,961
Title | Home warranty
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	185	181	177
Title | Insurance contracts
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	10,133	6,617	5,519
Title | Escrow fees
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,395	1,170	899
Title | Other title-related fees and income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	888	724	639
Title | ServiceLink, excluding title premiums, escrow fees, and subservicing fees
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	396	368	389
F&G
Disaggregation of Revenue [Line Items]
Total revenues	3,962	1,233
F&G | Life Insurance Premiums, Insurance and Investment Product Fees, Other
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,395	138	0
Corporate and other | Real estate technology
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	142	112	110
Corporate and other | Real estate brokerage
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	25	39
Corporate and other | Other
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 30	$ 36	$ 46

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Income from mortgage banking activities (fees and commissions) and servicing real estate mortgages, credit cards, and other financial assets held by others net of any related impairment of capitalized service costs. Also includes any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans.

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Amount of realized and unrealized gain (loss) on investment.

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