Consolidated Statements of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Operating Activities
Net income		$ 923		$ 1,454		$ 307
Net loss from discontinued operations		0		(12)		(2)
Net income from continuing operations		923		1,466		309
Adjustments to reconcile net income to net cash attributable to operating activities:
Deferred tax expense		289		351		4
Net gain on mortgage loans held for sale		(599)		(2,251)		(2,310)
Provision for servicing and non-servicing reserves		30		34		22
Fair value changes in mortgage servicing rights		(549)		506		1,667
Fair value changes in MSR related liabilities		142		(33)		(198)
Depreciation and amortization for property and equipment and intangible assets		37		57		73
Gain on sale of business		0		(528)		0
Gain on disposition of assets		223		0		0
Loss (gain) on MSR hedging activities		332		86		(41)
Loss on redemption of unsecured senior notes		0		0		138
Other operating activities		96		58		60
Repurchases of loan assets out of Ginnie Mae securitizations		(3,067)		(10,156)		(4,822)
Mortgage loans originated and purchased for sale, net of fees		(28,309)		(84,684)		(63,233)
Sales proceeds and loan payment proceeds for mortgage loans held for sale		34,464		97,454		68,302
Changes in assets and liabilities:
Advances and other receivables		153		(380)		(48)
Other assets		278		286		86
Payables and other liabilities		(230)		(259)		(625)
Net cash attributable to operating activities - continuing operations		3,767		2,007		(616)
Net cash attributable to operating activities - discontinued operations		0		625		947
Net cash attributable to operating activities		3,767		2,632		331
Investing Activities
Sale of business, net of cash divested		0		465		0
Property and equipment additions, net of disposals		(17)		(41)		(57)
Purchase of mortgage servicing rights		(1,595)		(922)		(130)
Proceeds on sale of servicing rights		290		61		53
Other investing activities		0		2		0
Net cash attributable to investing activities - continuing operations		(1,322)		(435)		(134)
Net cash attributable to investing activities - discontinued operations		0		1,627		0
Net cash attributable to investing activities		(1,322)		1,192		(134)
Financing Activities
(Decrease) increase in advance and warehouse facilities		(2,113)		(1,272)		1,861
Proceeds from issuance of excess spread financing		0		0		24
Settlements and repayment of excess spread financing		(392)		(156)		(207)
Issuance of unsecured senior debt		0		600		2,100
Redemption and repayment of unsecured senior notes and notes payable		0		0		(2,508)
Repurchase of common stock		(239)		(572)		(58)
Retirement of preferred stock		0		(28)		0
Other financing activities		(40)		(42)		(55)
Net cash attributable to financing activities - continuing operations		(2,784)		(1,470)		1,157
Net cash attributable to financing activities - discontinued operations		0		(2,226)		(1,053)
Net cash attributable to financing activities		(2,784)		(3,696)		104
Net (decrease) increase in cash, cash equivalents and restricted cash		(339)		128		301
Cash, cash equivalents and restricted cash - beginning of period		1,041	[1]	913	[1]	612
Cash, cash equivalents and restricted cash - end of period	[1]	702		1,041		913
Supplemental Disclosures of Cash Activities
Cash paid for interest expense		152		118		206
Net cash paid for income taxes		17		159		76
Supplemental Disclosures of Non-cash Investing Activities
Equity consideration received from disposition of assets		250		0		0
Equity consideration received from sale of business		0		58		0
Mortgage servicing rights sales price holdback		15		2		0
Purchase of mortgage servicing rights		$ 11		$ 6		$ 5

[1] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the consolidated balance sheets. December 31,
2022December 31,
2021December 31,
2020Cash and cash equivalents$527 $895 $695 Restricted cash175 146 135 Restricted cash within assets of discontinued operations— — 83 Total cash, cash equivalents and restricted cash$702 $1,041 $913