Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Operating Activities
Net income		$ 809	$ 1,000
Net income from discontinued operations		0	14
Net income from continuing operations		809	986
Adjustments to reconcile net income from continuing operations to net cash attributable to operating activities:
Deferred tax expense		241	215
Net gain on mortgage loans held for sale		(436)	(1,261)
Provision for servicing and non-servicing reserves		11	21
Fair value changes in mortgage servicing rights		(663)	190
Fair value changes in MSR related liabilities		131	2
Depreciation and amortization for property and equipment and intangible assets		20	31
Gain on sale of business		0	(487)
Gain on disposition of assets		223	0
Other operating activities		39	32
Repurchases of forward loan assets out of Ginnie Mae securitizations		(2,686)	(5,812)
Mortgage loans originated and purchased for sale, net of fees		(19,370)	(47,560)
Sales proceeds and loan payment proceeds for mortgage loans held for sale		24,510	52,923
Changes in assets and liabilities:
Advances and other receivables		311	48
Other assets		4	101
Payables and other liabilities		(116)	4
Net cash attributable to operating activities - continuing operations		2,582	(567)
Net cash attributable to operating activities - discontinued operations		0	453
Net cash attributable to operating activities		2,582	(114)
Investing Activities
Property and equipment additions, net of disposals		(9)	(26)
Purchase of mortgage servicing rights		(1,151)	(217)
Proceeds on sale of mortgage servicing rights		275	13
Other investing activities		0	(17)
Net cash attributable to investing activities - continuing operations		(885)	(247)
Net cash attributable to investing activities - discontinued operations		0	0
Net cash attributable to investing activities		(885)	(247)
Financing Activities
(Decrease) increase in advance and warehouse facilities		(1,597)	1,047
Repayments of excess spread financing		(292)	0
Settlements of excess spread financing		(61)	(81)
Repurchase of common stock		(135)	(148)
Other financing activities		(24)	(23)
Net cash attributable to financing activities - continuing operations		(2,109)	795
Net cash attributable to financing activities - discontinued operations		0	(441)
Net cash attributable to financing activities		(2,109)	354
Net decrease in cash, cash equivalents, and restricted cash		(412)	(7)
Cash, cash equivalents, and restricted cash - beginning of period		1,041	913
Cash, cash equivalents, and restricted cash - end of period(1)	[1]	629	906
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Equity consideration received from disposition of assets		250	0
Purchase of mortgage servicing rights		45	7
Noncash Transaction, Sale of Forward Mortgage Servicing Rights		15	0
Consideration from sale of business		$ 0	$ 499

[1] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the condensed consolidated balance sheets. June 30, 2022June 30, 2021Cash and cash equivalents$514 $716 Restricted cash115 113 Restricted cash within assets of discontinued operations— 77 Total cash, cash equivalents, and restricted cash$629 $906