CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Available for sale securities, allowance for credit losses	$ 28,000,000	$ 0
Allowance for credit loss	28,000,000
Cash, pledged, customer advances and deposits	327,000,000	384,000,000
Allowance for doubtful accounts, premiums and other receivables	26,000,000	$ 20,000,000
Expected credit losses on reinsurance recoverable	$ 22,000,000
Common stock, par or stated value per share (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	600,000,000	600,000,000
Common stock, shares, outstanding (in shares)	291,733,083	275,563,436
Common stock, shares, issued (in shares)	318,842,665	292,236,476
Preferred stock, par or stated value per share (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Treasury stock (in shares)	27,109,582	16,673,040
ServiceLink Holdings, LLC
Redeemable non-controlling interest, ownership percentage	21.00%	21.00%