Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Operating Activities
Net income (loss)		$ 561	$ (171)
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Deferred tax expense (benefit)		112	(68)
Net gain on mortgage loans held for sale		(679)	(331)
Interest income on participating interests in reverse mortgages		(40)	(62)
Provision for servicing and non-servicing reserves		13	8
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities		(301)	526
Fair value changes in MSR related liabilities		31	(29)
Depreciation and amortization for property and equipment and intangible assets		16	19
Other operating activities		13	34
Repurchases of forward loan assets out of Ginnie Mae securitizations		(2,255)	(919)
Mortgage loans originated and purchased for sale, net of fees		(25,214)	(12,375)
Sales proceeds and loan payment proceeds for mortgage loans held for sale		27,152	13,724
Changes in assets and liabilities:
Advances and other receivables		91	300
Reverse mortgage interests		220	400
Other assets		70	111
Payables and other liabilities		134	(457)
Net cash attributable to operating activities		(76)	710
Investing Activities
Property and equipment additions, net of disposals		(14)	(12)
Purchase of forward mortgage servicing rights		(69)	(27)
Proceeds on sale of forward mortgage servicing rights		1	43
Net cash attributable to investing activities		(82)	4
Financing Activities
Increase in advance and warehouse facilities		613	43
Repayment of HECM securitizations		(37)	(99)
Proceeds from issuance of participating interest financing in reverse mortgage interests		34	55
Repayment of participating interest financing in reverse mortgage interests		(219)	(330)
Proceeds from the issuance of excess spread financing		0	24
Settlements and repayments of excess spread financing		(41)	(58)
Issuance of unsecured senior notes		0	600
Redemption and repayment of unsecured senior notes		0	(698)
Repurchase of common stock		(148)	0
Other financing activities		(22)	(18)
Net cash attributable to financing activities		180	(481)
Net increase in cash, cash equivalents, and restricted cash		22	233
Cash, cash equivalents, and restricted cash - beginning of period		913	612
Cash, cash equivalents, and restricted cash - end of period	[1]	$ 935	$ 845

[1] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the condensed consolidated balance sheets. March 31, 2021March 31, 2020Cash and cash equivalents$674 $579 Restricted cash261 266 Total cash, cash equivalents, and restricted cash$935 $845